AnatomyDiseasesAnalytical, Diagnostic and Therapeutic Techniques and EquipmentDisciplines and Occupations
Ethmoid SinusEthmoid BoneCranial Fossa, AnteriorSuperior Sagittal SinusParanasal SinusesOphthalmic ArteryFrontal SinusTomography, X-Ray ComputedParanasal Sinus NeoplasmsEthmoid SinusitisOsteomaPneumocephalusCranial SinusesParanasal Sinus DiseasesHistology, ComparativeHistologyAnatomyNasal CavitySkull BaseSkull Base NeoplasmsOtorhinolaryngologic Surgical ProceduresSphenoid BoneEsthesioneuroblastoma, OlfactoryCerebrospinal Fluid Rhinorrhea
Nasal cavityArteryMaxillary sinusComputed tomographyCavitiesSinusitisMiddle nasalForamenAnatomyPairs of paranasal sinusesInfraorbitalMedialOstiumLaterallyDrainageInferiorOrbitFossaRecessCavityCheie sinus frontalCavernous sinus throLateral wallDuralEndoscopicArteriesStructuresSeptumRoof of the sinusAffecting the frontalSphenoidal sinusOsteomaMucousEthmoid boneObstructionSkullAnatomicalHiatus semilunarisTrigeminal nerveNasofrontalNoseCommunicatesMucosalPalatineBonyDrainBullaSphenoid boneSuperiorCommonlyInfection
Nasal cavity13
  • This development places the floor of the sinus well below the floor of the nasal cavity. (medscape.com)
  • This branch supplies the ethmoidal sinuses and the nasal cavity. (medicalsupernotes.com)
  • The sinus cavities , proper term paranasal sinuses , are hollow air-filled cavities in the skull located around the nasal cavity. (healthysinus.net)
  • All the paranasal sinuses are connected to each other because it communicates with a common cavity the nasal cavity. (healthysinus.net)
  • A relatively rare form of cancer involving the nasal cavity and paranasal sinuses, it may occur due to a pronged exposure to toxic fumes, excessive smoking, or old age. (healthysinus.net)
  • The nasal cavity also functions to facilitate drainage for the secretions from the adjacent paranasal sinuses. (nih.gov)
  • Air containing mucosal lined sinuses surround the nasal cavity, which includes the frontal, paired maxillary, sphenoid, and ethmoid sinuses. (nih.gov)
  • The secretions from these sinuses drain into the nasal cavity via the thin-walled ostia. (nih.gov)
  • Like the nasal cavity, the wall lining of the sinuses also secretes mucus. (nih.gov)
  • All of these paranasal sinuses, except the sphenoid, communicate with the nasal cavity via ducts that drain through ostia, which empty into spaces located on the lateral wall. (nih.gov)
  • In summary, the orbit communicates with the middle cranial fossa (via the optic canal and superior orbital fissure), the infratemporal and pterygopalatine fossae ( via the inferior orbital fissure), the inferior meatus of the nose (via the nasolacrimal canal), the nasal cavity (via the anterior ethmoidal foramen), and the face ( via supraorbital and infraorbital foramina). (dartmouth.edu)
  • Keywords frontal sinus, inverted papilloma nasal cavity histology, external endoscopic approach Rezumat Prezentăm cazul unui pacient, în vârstă de 62 de ani, cu o formaţiune tumorală voluminoasă de sinus frontal bilateral, cu sindrom cefalalgic sever şi distrucţia parcelară a laminei papiracee stângi şi a peretelui posterior al sinusului frontal drept. (pentru-bebe.ro)
  • This explained the intimate tumoral contact with the dura mater through inverted papilloma nasal cavity histology 8-mm bone breach in the posterior wall of the right frontal sinus. (pentru-bebe.ro)
Artery17
  • The maxillary sinus is supplied by branches of the internal maxillary artery, which include the infraorbital, alveolar, greater palatine, and sphenopalatine arteries. (medscape.com)
  • The frontal sinus is supplied by the supraorbital and supratrochlear arteries of the ophthalmic artery. (medscape.com)
  • The sphenoid sinus is supplied by the sphenopalatine artery, except for the planum sphenoidale, which is supplied by the posterior ethmoidal artery. (medscape.com)
  • The dimensions of the remaining nasal spine were measured subsequently together with the diameter of the inferior frontal sinus, the thickness of the anterior frontal sinus wall, and the distance from the neoostium to the anterior ethmoidal artery. (thieme-connect.com)
  • In three out of four specimens the neo-ostium was separated by just one anterior ethmoidal cell from the anterior ethmoidal artery. (thieme-connect.com)
  • The anterior ethmoidal artery is a valuable landmark for locating the ostium. (thieme-connect.com)
  • This groove lodges the cavernous sinus and the internal carotid artery, the latter being surrounded by a plexus of sympathetic nerves. (bartleby.com)
  • The position of the target as well as its relationships with surrounding neurovascular structures (olfactory bulb and anterior ethmoidal artery) guided the creation of a patient-specific roadmap. (surgicalneurologyint.com)
  • The ophthalmic artery can be involved in hyphema, bleeding in the anterior chamber of the eye. (medicalsupernotes.com)
  • The posterior ethmoidal artery runs between the planum and the cribriform plate, while the anterior ethmoidal artery travels just behind the frontal sinus recess. (neurosurgicalatlas.com)
  • Is there any relationship between the frontal cell and the Agger nasi cell and the localization of the anterior ethmoid artery? (tkbbv.org.tr)
  • Objectives: In this article, we examined the effect of the presence or absence of a frontal cell or an Agger nasi cell on the localization of the anterior ethmoid artery. (tkbbv.org.tr)
  • Conclusion: The results of this study showed that the presence or absence of these cells does not affect localization of the anterior ethmoid artery. (tkbbv.org.tr)
  • From its origin, the subclavian artery travels laterally, passing between anterior and middle scalene muscles , with the anterior scalene ( scalenus anterior ) on its anterior side and the middle scalene ( scalenus medius ) on its posterior. (iiab.me)
  • The first part of the right subclavian artery arises from the brachiocephalic trunk, behind the upper part of the right sternoclavicular articulation, and passes upward and lateralward to the medial margin of the Scalenus anterior. (iiab.me)
  • The anterior jugular vein is directed laterally in front of the artery, but is separated from it by the Sternohyoideus and Sternothyreoideus. (iiab.me)
  • Which of the following arteries arise from the first part of the Subclavian artery (as it courses medial to the Scalenus Anterior muscle)? (docsbay.net)
Maxillary sinus19
  • The maxillary sinus is the largest paranasal sinus and lies inferior to the eyes in the maxillary bone. (medscape.com)
  • The natural ostium of the maxillary sinus is located in the superior portion of the medial wall. (medscape.com)
  • The anterior maxillary sinus wall houses the infraorbital nerve, which runs through the infraorbital canal along the roof of the sinus and sends branches to the soft tissues of the cheek. (medscape.com)
  • The thinnest portion of the anterior wall is above the canine tooth, called the canine fossa, which is an ideal entry site for addressing various disease processes of the maxillary sinus. (medscape.com)
  • The roof of the maxillary sinus is the floor of the orbit. (medscape.com)
  • Behind the posteromedial wall of the maxillary sinus lies the pterygopalatine fossa, a small inverted space that houses several important neurovascular structures and communicates with several skull base foramina. (medscape.com)
  • The infratemporal fossa lies behind the posterolateral wall of the maxillary sinus. (medscape.com)
  • with fluid in maxillary sinus (MS). (Right) MRI scan head, coronal view. (bmj.com)
  • B) Polypous maxillary sinus mucosa on both sides. (benthamopen.com)
  • C) Polypous maxillary sinus mucosa. (benthamopen.com)
  • E) Mucosal swelling of right maxillary sinus as well as anterior ethmoidal cells (not shown) and posterior ethmoidal cells. (benthamopen.com)
  • Polypous mucosa of left maxillary sinus. (benthamopen.com)
  • The opening of the maxillary sinus is located in the center of the semilunar hiatus which grooves the lateral wall of the middle nasal meatus, near the top part of the base. (earthslab.com)
  • The maxillary sinus develops first. (earthslab.com)
  • alveolares superiores anteriores) and to the maxillary sinus. (co.ma)
  • The term "ostiomeatal unit" represents the area on the lateral nasal wall (middle meatus) that receives drainage from the anterior and medial ethmoid cells, frontal sinus, and maxillary sinus. (epomedicine.com)
  • Maxiallry sinus atelectasis due to chronic occlusion of maxillary sinus ostia, resulting in inward bowing of all 4 walls of the sinus including the orbital floor and increased orbital volume, leading to enophthalmos and hypoglobus (downward displacement of eye in orbit). (epomedicine.com)
  • 10. _____ Infections of the Maxillary sinus can be persistent due to poor drainage of the sinus. (docsbay.net)
  • In which of the following is the opening of the Maxillary sinus located? (docsbay.net)
Computed tomography2
  • Taylor A, Habib AR, Kumar A, Wong E, Hasan Z, Singh N . An artificial intelligence algorithm for the classification of sphenoid sinus pneumatisation on sinus computed tomography scans. (ents.com.au)
  • Fig. (1) Evaluation of radiologic signs of nasal polyposis from sinus Computed Tomography (CT) scans. (benthamopen.com)
Cavities7
  • [ 3 ] The frontal sinuses are funnel-shaped structures with their ostia located in the most dependent portion of the cavities. (medscape.com)
  • The ethmoid air cells consist of numerous thin-walled cavities in the ethmoidal labyrinth that represent invaginations of the mucous membrane of the nasal wall into the ethmoid bone. (wikipedia.org)
  • It makes sense to assume that the term sinuses refers to only two sinus cavities, one for each side of your nose. (healthysinus.net)
  • The truth is, you actually have 4 different pairs of sinus cavities in your head. (healthysinus.net)
  • Surrounding the nasal cavities are air-containing mucosal lined sinuses, which include the frontal sinuses (superior anterior), ethmoid sinuses (superior), paired maxillary sinuses (lateral), and sphenoid sinuses (posterior). (nih.gov)
  • tero-posterior skiagram of the skull, the light shadows formed by the lls are seen to occupy the well-defined area bounded on either side by ter shadow of the orbital cavities and above by the dense horizontal he cribriform plate, which occupies the frontier line between these the frontal sinuses. (co.ma)
  • The sphenoidal sinuses constitute the surgeon's guide to the hypophysis To reach them he traverses the upper portions of both nasal cavities, removing. (co.ma)
Sinusitis8
  • Acute frontal sinusitis (AFrS) is defined as an acute bacterial infection of the frontal sinus cavity. (medscape.com)
  • A retrospective study by Stokken et al indicated that among pediatric patients who require surgery for complications of acute bacterial sinusitis, the ethmoid and frontal sinuses are more likely to be involved than they are in children undergoing surgery for chronic rhinosinusitis. (medscape.com)
  • The posterior OMC is less involved in chronic sinusitis than the anterior one because its anatomic variations are fewer. (epomedicine.com)
  • Sinusitis , also known as rhinosinusitis , is inflammation of the mucous membranes that line the sinuses resulting in symptoms. (mdwiki.org)
  • Headache or facial pain or pressure of a dull, constant, or aching sort over the affected sinuses is common with both acute and chronic stages of sinusitis. (mdwiki.org)
  • The ethmoidal sinuses are sometimes implicated in sinusitis, along with the other paranasal sinuses. (completeanatomy.cn)
  • Cavernous sinus thrombosis is a very rare, typically septic thrombosis of the cavernous sinus, usually caused by nasal furuncles or bacterial sinusitis. (msdmanuals.com)
  • Sinusitis Sinusitis is inflammation of the paranasal sinuses due to viral, bacterial, or fungal infections or allergic reactions. (msdmanuals.com)
Middle nasal2
  • The anterior ethmoidal cells drain (directly or indirectly) into the middle nasal meatus by way of the ethmoidal infundibulum. (wikipedia.org)
  • The middle ethmoidal cells drain directly into the middle nasal meatus. (wikipedia.org)
Foramen7
  • The sphenoid sinus is variably pneumatized and may extend as far as the foramen magnum in some patients. (medscape.com)
  • Behind the optic foramen the anterior clinoid process is directed backward and medialward and gives attachment to the tentorium cerebelli. (bartleby.com)
  • Lingula: projection anterior to mandibular foramen 8. (slideshare.net)
  • range 15 to 72 years) who underwent surgery for septal deviation, concha bullosa, antrochoanal polyp between September 2006 and February 2008 were retrospectively evaluated and the anterior ethmoid foramen localization was measured according to the anterior nasal spine. (tkbbv.org.tr)
  • Results: The measurement of the anterior ethmoidal foramen according to anterior nasal spine was 18.2±8.8 mm in the absence of an Agger nasi cell and was 20.3±6.6 mm in the presence of an Agger nasi cell. (tkbbv.org.tr)
  • Our results revealed that there were no significant relationship between the presence or absence of a frontal cell and an Agger nasi cell and the localization of the anterior ethmoidal foramen. (tkbbv.org.tr)
  • From behind, the sphenopalatine foramen opens into the cavity of the superior meatus and the meatus communicates with the posterior ethmoidal cell s. (theinfolist.com)
Anatomy4
  • Ethmoid sinus cancer that has spread to the lymph nodes This article incorporates text in the public domain from page 154 of the 20th edition of Gray's Anatomy (1918) Illustrated Anatomy of the Head and Neck, Fehrenbach and Herring, Elsevier, 2012, page 64 Morton, David A. (2019). (wikipedia.org)
  • Endoscopic Anatomy of the Paranasal Sinuses. (wikipedia.org)
  • The transverse sinuses exhibit highly variable anatomy , which at times makes imaging evaluation of them, in those with possible dural venous sinus thrombosis , very difficult. (radiopaedia.org)
  • Microsurgical anatomy and approaches to the cavernous sinus. (radiopaedia.org)
Pairs of paranasal sinuses1
Infraorbital4
  • Haller cells are infraorbital ethmoidal air cells lateral to the lamina papyracea. (wikipedia.org)
  • It is from maxillary and infraorbital arteries by the anterior, middle, and posterior superior alveolar arteries. (earthslab.com)
  • The anterior, middle, and posterior superior alveolar nerves from the maxillary and infraorbital nerves supply the maxillary sinuses. (earthslab.com)
  • If needed, the external nose is anesthetized by blocking the external nasal branch of the anterior ethmoid nerve, the infraorbital nerve , and the nasopalatine nerves. (medscape.com)
Medial4
  • The sphenoid sinus ostium is located on the anterosuperior surface of the sphenoid face, usually medial to the superior turbinate. (medscape.com)
  • At the junction of the medial wall with the roof, the anterior and posterior ethmoidal foramina transmit the nerves and arteries of the same name. (dartmouth.edu)
  • The first portion extends from the origin of the vessel to the medial border of the Scalenus anterior. (iiab.me)
  • it ascends in the superior mediastinal cavity to the root of the neck and then arches lateralward to the medial border of the Scalenus anterior. (iiab.me)
Ostium7
  • Secretions are transported along the septal wall to the sinus roof and from there, laterally along the roof and then medially along the floor to reach the ostium. (medscape.com)
  • Previous middle turbinate resection can also lead to stenosis of the frontal sinus ostium secondary to soft-tissue scarring or residual bony fragments. (medscape.com)
  • The frontal sinus ostium can be seen. (medscape.com)
  • Das Neo-Ostium war in annähernd Ÿ der Fälle von der Arteria ethmoidalis anterior durch eine Siebbeinzelle getrennt. (thieme-connect.com)
  • During endonasal frontal sinusotomy using the sharp spoon (endonasal frontal sinus surgery type II according to Draf or May and Schaitkin) a solid piece of bone is frequently encountered anterior to the neo-ostium. (thieme-connect.com)
  • In the majority of the specimens a sufficient endonasal approach to the frontal sinus could be obtained by enlarging the natural ostium as described by Draf or May and Schaitkin. (thieme-connect.com)
  • Even if it has been shown that inflammation can stimulate osteoblastic activity, sinus inflammation usually follows ostium obstruction. (peertechzpublications.org)
Laterally4
  • The shape of the sinus is a pyramid, with the base along the nasal wall and the apex pointing laterally toward the zygoma. (medscape.com)
  • Acute ethmoiditis in childhood and ethmoidal carcinoma may spread superiorly causing meningitis and cerebrospinal fluid leakage or it may spread laterally into the orbit causing proptosis and diplopia. (wikipedia.org)
  • Not infrequently the ethmoidal cells will be seen to the roof of the orbit, while inferiorly and laterally they come into close. (co.ma)
  • The orbit is related (1) on its superior side to the anterior cranial fossa and usually to the frontal sinus, (2) laterally to the temporal fossa in (anterior) and to the middle cranial fossa (posterior), (3) on its inferior side to the maxillary sinus, and (4) medially to the ethmoidal and the anterior extent of the sphenoidal sinuses. (dartmouth.edu)
Drainage4
  • Obstruction impedes the drainage of the frontal and ethmoid sinuses via the frontal recess and impairs mucociliary function. (medscape.com)
  • When this symptom is accompanied by nasal congestion, maxillary pain or pressure, and mucopurulent nasal drainage, the frontal sinus is not likely to be involved in isolation. (medscape.com)
  • Isolated AFrS is an important clinical entity, as it suggests a more pernicious type of obstruction of the frontal sinus drainage pathway and may be more liable to result in intracranial or orbital complications. (medscape.com)
  • The mass was invading the osteomeatal complex, extending into the anterior ethmoidal sinus, causing obstruction to drainage of both maxillary and frontal sinuses. (bmj.com)
Inferior4
  • It regulates the nasal airflow by controlling the blood volume in the erectile tissue on the inferior turbinate and anterior septum. (nih.gov)
  • Ethmoidal process of inferior nasal concha, inferiorly. (earthslab.com)
  • Anteriorly is the shadow of the posterior ethmoidal cells (blurred by that produced by the vertical portion of the great wing of the sphenoid), while posteriorly it is limited by the shadow produced by that portion of the body of the sphenoid which lies inferior to the dorsum sellæ. (co.ma)
  • What prominence marks this cavity's anterior, inferior border? (freezingblue.com)
Orbit3
  • Endoscopic transnasal removal of bullet and foreign body from the paranasal sinuses and orbit has been reported in the literature. (surgicalneurologyint.com)
  • Down: partial destruction of the left eye lamina papyracea, bone breach to anterior cerebral fossa The apparent origin located at the posterior wall of the bilateral frontal sinus, the partial exposure of the dura mater and the papilloma of the nasal septum of the lamina papyracea with do nasal papillomas bleed penetration of the tumor into the left orbit led to the decision of an external endoscopic approach. (info-tecuci.ro)
  • 13. _____ The Ethmoidal air sinuses (air cells) are clinically important because they can expand in the elderly and extend over the orbit. (docsbay.net)
Fossa6
  • The posterior wall of the frontal sinus, which separates the sinus from the anterior cranial fossa, is much thinner than its anterior wall. (medscape.com)
  • Sphenoid sinus: hollow space filling body, immediately below hypophyseal fossa 2. (slideshare.net)
  • Digastric fossa: for anterior belly of digastric 3. (slideshare.net)
  • Inferiorly the sinus area is bounded and to some extent overlapped and obliterated by the dense shadow which corresponds from latero-medially to the tuberculum articulare and the horizontal portion of the great wing of the sphenoid, that is to say, to the floor of the middle fossa of the base of the skull. (co.ma)
  • The fossa hypophyseos lies immediately behind the superior part of the sphenoidal sinuses, and, in a median sagittal section of the skull, the anterior half of the fossa is seen to project into what would correspond to the supero-posterior angle of the sinuses. (co.ma)
  • The more the sphenoidal sinuses project backwards, beneath the sella turcica, the thinner is the plate of bone which separates the sinus from that part of the posterior fossa of the base of the skull which supports the pons. (co.ma)
Recess2
  • Above and at the back of the superior concha is the sphenoethmoidal recess which the sphenoidal sinus opens into. (theinfolist.com)
  • According to some authors, basal lamella separates the anterior ostiomeatal complex (the one discussed above) and the posterior osteomeatal complex which is located in the spheno-ethmoidal recess and drains the posterior ethmoid and sphenoid sinuses. (epomedicine.com)
Cavity5
  • Frontal sinuses: These are near the center of the forehead, one cavity above each eye. (healthysinus.net)
  • enlarges, it frequently does so by projecting downwards towards the sphenoidal sinuses rather than upwards into the cranial cavity. (co.ma)
  • According to the medical discharge presented by inverted papilloma histopathology patient, the frontal sinus approach used inverted papilloma histopathology of the Draf I kind, without exploring the frontal sinus cavity. (pentru-bebe.ro)
  • The apparent origin of the tumor was located at the papilloma of the nasal septum between the posterior wall of the left frontal sinus and the intersinusal septum, in the upper floor of the sinus cavity. (info-tecuci.ro)
  • What bone forms the anterior floor of the cranial cavity? (freezingblue.com)
Cheie sinus frontal2
  • Cuvinte cheie sinus frontal vaccino x papilloma virus abord endoscopic extern A year-old patient, S. Health Update - Inverted Papilloma Tumor and Squamous Cell Carcinoma human papillomavirus lecture Three years ago Mayin another ENT service, the patient underwent a curative surgery for bilateral fronto-ethmoido-sphenoidal rhinosinusitis. (pentru-bebe.ro)
  • Cuvinte cheie sinus frontal tumoră abord endoscopic extern A do nasal papillomas bleed treatment papilloma on nasal septum patient, S. Three years ago Mayin another ENT service, the patient underwent a do nasal papillomas bleed surgery for bilateral fronto-ethmoido-sphenoidal rhinosinusitis. (info-tecuci.ro)
Cavernous sinus thro5
  • Orbital complications include preseptal or orbital cellulitis , subperiosteal abscess, and cavernous sinus thrombosis . (medscape.com)
  • occur but are rarer than cavernous sinus thrombosis. (msdmanuals.com)
  • The 3rd, 4th, and 6th cranial nerves and the ophthalmic and maxillary branches of the 5th cranial nerve are adjacent to the cavernous sinus and are commonly affected in cavernous sinus thrombosis. (msdmanuals.com)
  • Initial symptoms of cavernous sinus thrombosis are progressively severe headache or facial pain, usually unilateral and localized to retro-orbital and frontal regions. (msdmanuals.com)
  • Cavernous sinus thrombosis is often misdiagnosed because it is rare. (msdmanuals.com)
Lateral wall1
  • O TOM' are the first letters of components of the lateral wall of cavernous sinus considered vertically, from the top to the bottom. (radiopaedia.org)
Dural2
  • Meningitis , brain abscess , epidural empyema, subdural empyema , cerebral empyema, and dural sinus thrombosis are known intracranial complications of AFrS. (medscape.com)
  • The paired left and right transverse sinuses , or lateral sinuses , are major dural venous sinuses and arise from the confluence of the superior sagittal , occipital and straight sinuses at the torcular herophili (confluence of sinuses) . (radiopaedia.org)
Endoscopic4
  • A few of these complications are relative contraindications to endoscopic sinus surgery and will be discussed later. (medscape.com)
  • Functional endoscopic sinus surgery (FESS) is a well-established strategy for the treatment of rhinosinusitis. (j-rhinology.org)
  • Functional endoscopic sinus surgery (FESS) has over time become the established surgical treatment for chronic rhinosinusitis cases which do not respond to medical management [ 1 ]. (j-rhinology.org)
  • Frontal sinus osteoma inverted papilloma histopathology case report Although the surgical staff has a inverted papilloma histopathology of experience inverted papilloma histopathology doing the endoscopic transnasal approach, there are some cases where the transnasal route cannot safely solve certain pathologies. (pentru-bebe.ro)
Arteries1
  • The anterior and posterior branches of the middle meningeal arteries and their ramifications are separated from the bone by corresponding veins. (co.ma)
Structures3
  • CA are the first letters of the structures located within the sinus. (radiopaedia.org)
  • The frontal bone is firmly attached to the anterolateral aspects protecting these anterior structures. (completeanatomy.cn)
  • 9. _____ Which of the following structures is found in the Anterior triangle of the neck? (docsbay.net)
Septum3
  • from before backwards, the upper portion of the septum nasi, the superior and middle conchæ, and the anterior and posterior ethmoidal cells. (co.ma)
  • after removing it the sinuses are opened up by removing their anterior walls and the septum. (co.ma)
  • The anterior and posterior ethmoid nerves (V1) and the sphenopalatine ganglion (through the nasopalatine nerve) provide sensation to most of the septum. (medscape.com)
Roof of the sinus1
  • Maxillary sinuses open nearby the roof of the sinus in the semilunar hiatus of middle meatus. (earthslab.com)
Affecting the frontal1
  • Osteomas are benign, slow-growing bone tumors, most commonly affecting the frontal and the ethmoidal sinuses, although the maxillary and sphenoid sinuses may also be involved. (peertechzpublications.org)
Sphenoidal sinus1
  • sometimes, one or more opens into the sphenoidal sinus. (wikipedia.org)
Osteoma3
Mucous2
  • The ethmoidal air cells receive sensory innervation from the anterior and the posterior ethmoidal nerve (which are ultimately derived from the ophthalmic branch (CN V1) of the trigeminal nerve (CN V)), and the orbital branches of the pterygopalatine ganglion, which carry the postganglionic parasympathetic nerve fibers for mucous secretion from the facial nerve. (wikipedia.org)
  • It emerges primarily from the mucous lining of the sinus. (earthslab.com)
Ethmoid bone3
Obstruction1
  • Given the close anatomic relationship of the ethmoid and frontal sinuses, obstruction of the ethmoid air cells often leads to AFrS. (medscape.com)
Skull9
Anatomical1
  • 1. Alper F, Kantarci M, Dane S, Gumustekin K, Onbas O, Durur I. Importance of anatomical asymmetries of transverse sinuses: an MR venographic study. (radiopaedia.org)
Hiatus semilunaris1
  • It functions like a tributary container for pus from frontal air sinus via frontonasal duct along with hiatus semilunaris. (earthslab.com)
Trigeminal nerve2
  • Innervation of the sphenoid sinus comes from branches of the first and second divisions of the trigeminal nerve. (medscape.com)
  • [ 1 ] The external nose is innervated by the ophthalmic (V1) and maxillary (V2) nerves, which are the first 2 divisions of the trigeminal nerve (cranial nerve V). The superior aspect of the nose, including the tip, is supplied by the infratrochlear nerve (V1), the supratrochlear nerve (V1), and the external nasal branch of the anterior ethmoid nerve (V1). (medscape.com)
Nasofrontal2
  • The maximum diameter of the frontal sinus approach in frontal direction can be estimated by measuring of the nasofrontal angle. (thieme-connect.com)
  • A hard tumor was shown upon palpation, with a macroscopic aspect of an inverted papilloma, well-vascularized, that occupied both frontal sinuses and dived through the nasofrontal ducts in the anterior ethmoidal cells. (info-tecuci.ro)
Nose7
  • Your nose and the sinuses connected to it are more intricate than you probably realize. (healthysinus.net)
  • Bones making bridge of nose palpable on anterior surfaces 2. (slideshare.net)
  • This sinus can acquire infection from infected nose (viral rhinitis), carious upper premolar as well as molar teeth, especially molars, along with infected frontal and anterior ethmoidal sinuses. (earthslab.com)
  • e sphenoidal sinuses are so deeply placed behind the upper half of the rm aperture of the nose that their outlines cannot be identified in an -o-posterior skiagram. (co.ma)
  • Multiple clinical parameters were recorded including number and type of previous surgeries, latest CT scans of the nose and paranasal sinuses, as well as intraoperative findings. (j-rhinology.org)
  • The ophthalmic nerve, the first division of the trigeminal (fifth cranial) nerve, is a wholly afferent nerve that supplies the globe and conjunctiva, lacrimal gland and sac, nasal mucosa and frontal sinus, external nose, upper eyelid, forehead, and scalp, It arises from the trigeminal ganglion which contains the cell bodies of its sensory nerve fibers. (dartmouth.edu)
  • Inverted Papilloma variația raportului mediu Nasal inverted papilloma histopathology Sinonasal papilloma pathology outlines Inverted sinonasal papilloma Sinonasal inverted papilloma histology Maxilectomia maxilară medială pentru papilomul inversat Inverted sinonasal papilloma pathology inverted papilloma of nose warts mouth symptoms Como es el papiloma en la boca papiloma de laringe tratamento, papilloma sul labbro inferiore ciuperci shimeji. (pentru-bebe.ro)
Communicates1
  • It communicates with the external environment via the anterior apertures, nares, and the nasopharynx via the posterior apertures, choanae. (nih.gov)
Mucosal5
  • Sinus mucosal findings were scored as 0=no change, 1=mucosal thickening, 2= polypous mucosal thickening ±discharge. (benthamopen.com)
  • No mucosal swelling of anterior ethmoidal cells. (benthamopen.com)
  • The lateral walls are spiral shaped mucosal folds that overlie the turbinates and sinus ducts draining into the ostia. (nih.gov)
  • Anatomic alterations due to prior sinus surgery, scarring and adhesions as well as associated chronic mucosal inflammation can make revision procedures challenging. (j-rhinology.org)
  • Fibrosis and adhesion formation were the most common intraoperative findings on revision sinus surgery along with residual air cells, polypoid mucosal regrowth, and middle meatal antrostomy stenosis. (j-rhinology.org)
Palatine1
  • Paired palatine processes meet at midline to form anterior 2/3 of hard palate, bounded by dental arch of maxilla 2. (slideshare.net)
Bony3
  • The sphenoid sinus has been widely opened and a window cut in its bony roof to expose the hypophysis. (stanford.edu)
  • The subsequent true cranial view is obtained and revealed the aforementioned air collection is transported to the parietal region (Figure 2), and bone window reformatting shows a well-defined macro-lobulated bony projection is seen extending from the anterior ethmoidal sinus projecting intracranially (Figure 3). (peertechzpublications.org)
  • Coronal images displayed on the bone window show a well-defined macro lobulated bony lesion is seen projecting intracranially from the anterior ethmoidal sinuses. (peertechzpublications.org)
Drain2
  • The sinuses need to be able to drain regularly and freely in order to clear mucus and to function properly. (healthysinus.net)
  • Submandibular lymph nodes drain the sinus. (earthslab.com)
Bulla1
  • the middle ethmoidal cells are contained within this bulla and open on or near to it. (theinfolist.com)
Sphenoid bone1
Superior5
  • The frontal sinus is housed in the frontal bone superior to the eyes in the forehead. (medscape.com)
  • A crack in the superior wall of the ethmoidal sinus is noted arrow in Figure 2 and explains the formation of the intracranial air collection. (peertechzpublications.org)
  • The hypophysis is then exposed by breaking down the anterior portion of the floor of the sella turcica, which forms a bullous-like projection into the superior and posterior part of the sinuses. (co.ma)
  • They terminate in the sigmoid sinus just as it receives the superior petrosal sinus from the cavernous sinus . (radiopaedia.org)
  • The superior inner aspect of the lateral nasal wall is supplied by the anterior and posterior ethmoid nerves (V1). (medscape.com)
Commonly2
Infection3
  • Frontal sinus surgery is performed to prevent potentially life-threatening complications when the infection is unresponsive to maximal medical therapy. (medscape.com)
  • People with migraines do not typically have the thick nasal discharge that is a common symptom of a sinus infection. (mdwiki.org)
  • anaerobes are more common when the underlying condition is dental or sinus infection. (msdmanuals.com)