• This leak of fluid can cause low-pressure headaches, neck pain, ringing in the ear, and, occasionally, loss of smell or taste. (medscape.com)
  • The fluid leak is a result of meningeal dural and arachnoid laceration with fistula formation. (medscape.com)
  • This coronal magnetic resonance cisternogram demonstrates a left-sided cerebrospinal fluid leak through the cribriform plate (small arrows), which was clinically suspected. (medscape.com)
  • The image also shows a right-sided meningocele (large arrow) protruding through the cribriform plate, which was not suspected but was surgically repaired at the same time as the left cribriform cerebrospinal fluid leak site. (medscape.com)
  • Typically, the leak is caused by either spontaneous dural dehiscence or dural tears caused by degenerative causes. (medscape.com)
  • Drops of fluid from a CSF leak placed on absorbent filter paper may result in the double-ring sign: a central circle of blood and an outer clear ring of CSF. (medscape.com)
  • An absorptive sponge pad placed at or near the presumed site of fluid leak can facilitate the collection of the fluid. (medscape.com)
  • In this study, we wish to highlight the existence of spontaneous CSF leak as an entity associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
  • Cerebrospinal Fluid Leak Rate after Vestibular Schwannoma Surgery via Middle Cranial Fossa Approach. (uc.edu)
  • Cases included spontaneous CSF leaks ( n = 1), complex traumatic frontoethmoidal fractures with suspected CSF leak ( n = 2), multiloculated congenital or acquired hydrocephalus ( n = 3), intraventricular tumor ( n = 1), suspected postoperative arachnoiditis ( n = 1), complex midline defect ( n = 1), and acquired orbital meningoencephalocele ( n = 1). (ajnr.org)
  • Cerebrospinal Fluid Leak" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (jefferson.edu)
  • CSF rhinorrhoea may be spontaneous, traumatic, or congenital. (wikipedia.org)
  • Cerebrospinal fluid rhinorrhoea (CSF rhinorrhoea) refers to the drainage of cerebrospinal fluid through the nose (rhinorrhoea). (wikipedia.org)
  • Other signs of a basilar skull fracture include CSF otorrhoea (drainage of CSF through the ear). (wikipedia.org)
  • Coronal fast spin-echo T2-weighted image demonstrates herniation of meninges and brain tissue (arrows) with adjacent cerebrospinal fluid into the postmastoidectomy tegmen tympani defect. (medscape.com)
  • Spontaneous CSF leaks may arise from defects in the skull base, in relation to the Tegmen tympani, Tegmen mastoideum, sigmoid sinus and posterior semicircular canal. (springeropen.com)
  • Cerebro-spinal fluid otorrhea and a spontaneous defect of tegmen tympani or antri. (ent-review.com)
  • Object Thinning of the tegmen tympani and mastoideum components of the temporal bone may predispose to the development of meningoencephaloceles and spontaneous CSF leaks. (medscape.com)
  • Leakage of CSF into the epidural space through a defect in the thecal sac has been found to be the underlying cause of almost all cases of spontaneous intracranial hypotension (SIH). (medscape.com)
  • Spontaneous CSF rhinorrhoea is the most common acquired defect in the skull base bones (anterior cranial fossa) causing spontaneous nasal liquorrhea. (wikipedia.org)
  • Fluid leaking from the nose or external auditory canal must first be positively identified as CSF. (medscape.com)
  • According to Ommaya et al, 80% of CSF leaks are due to nonsurgical trauma, 16% are iatrogenic, and 4% are spontaneous. (medscape.com)
  • Various contributory factors are attributed to formation of spontaneous CSF leaks such as idiopathic intracranial hypertension leading to prominent arachnoid granulations. (springeropen.com)
  • This case report highlights two cases of spontaneous CSF leaks associated with hyper-pneumatized petrous bone and sphenoid sinus. (springeropen.com)
  • Hyper-pneumatized petrous bone and paranasal sinuses can be attributed as a risk factor for formation of spontaneous CSF leaks. (springeropen.com)
  • It can have devastating complications in some patients, as the communication between the nasal cavity, the cerebrospinal fluid and the central nervous system can result in severe bacterial infections. (wikipedia.org)
  • As per these, the patient manifests symptoms of high intracranial tension, but there is no neurodeficit, or high opening cerebrospinal fluid (CSF) pressure on lumbar tap. (jpgo.org)
  • Cerebrospinal fluid (CSF) fistulas are classified based on their etiology into congenital and acquired fistulas. (springeropen.com)
  • These types of amniotic fluid-derived stem cellular material (AFSC) might provide an autologous mobile source for treatment of congenital problems identified through pregnancy, specially cardio defects. (pcna-signal.com)
  • Signs and symptoms depend on the location of the lesion and are related to mass effect, skull deformities, or leaking of cerebrospinal fluid. (beds.ac.uk)
  • Further, presence of hyper-pneumatized paranasal sinuses or the skull base weakens the bone and predisposes to development of spontaneous defects and further fistulas. (springeropen.com)
  • Brain imaging demonstrated pneumocephalus and fluid collection in the left mastoid air cells. (encephalitisjournal.org)
  • In addition, fluid collection in the left middle ear cavity and mastoid air cells was observed on brain MRI and CT ( Figure 1C ), and otoscopic examination confirmed acute otitis media on the left. (encephalitisjournal.org)
  • This graph shows the total number of publications written about "Cerebrospinal Fluid Otorrhea" by people in UAMS Profiles by year, and whether "Cerebrospinal Fluid Otorrhea" was a major or minor topic of these publications. (uams.edu)
  • Below are the most recent publications written about "Cerebrospinal Fluid Otorrhea" by people in Profiles over the past ten years. (uams.edu)
  • Serum glucose, chloride, and total protein tests of the fluid are not specific or conclusive for CSF. (medscape.com)
  • Confirm or exclude the presence of CSF in leaking fluid by means of an immunoelectrophoretic study of the fluid for beta-2 transferrin (B2Tr) or, where available, beta-trace protein. (medscape.com)
  • [ 15 ] For this specialized laboratory study, 0.5-1.0 mL of the fluid may be required. (medscape.com)
  • Gacek RR, Leipzig B. Congenital cerebrospinal otorrhea. (medscape.com)
  • CSF rhinorrhoea may be spontaneous, traumatic, or congenital. (wikipedia.org)
  • Middle fossa CSF leaks can be classified as acquired, congenital, or spontaneous depending on the etiology. (medscape.com)
  • 4. Spontaneous meningoencephalocele of the temporal bone: clinical spectrum and presentation. (nih.gov)
  • 11. Elimination of temporal bone cerebrospinal fluid otorrhea using hydroxyapatite cement. (nih.gov)
  • The clinical presentations specifically related to temporal bone trauma include facial nerve paralysis (partial or complete), hearing loss (conductive, sensorineural, or mixed), vertigo , dizziness , otorrhagia, cerebrospinal fluid (CSF) otorrhea , tympanic membrane perforation , and hemotympanum and canal laceration. (medscape.com)
  • Kveton J , Goravalingappa R. Elimination of Temporal Bone Cerebrospinal Fluid Otorrhea Using Hydroxyapatite Cement. (yalemedicine.org)
  • Patients present either as unilateral watery rhinorrhoea or otorrhoea, or sometimes as hearing loss with a watery middle ear effusion. (entandaudiologynews.com)
  • The Prevalence of Superior Semicircular Canal Dehiscence in Patients With Mastoid Encephalocele or Cerebrospinal Fluid Otorrhea. (medscape.com)
  • Stevens SM, Hock K, Samy RN, Pensak ML. Are Patients with Spontaneous CSF Otorrhea and Superior Canal Dehiscence Congenitally Predisposed to Their Disorders? (medscape.com)
  • Of 204 patients, 36 (17.6%) had fluid in the labyrinthine segment of the facial nerve canal and 40 (19.6%) had fluid in the geniculate ganglion fossa. (ajnr.org)
  • No significant difference was observed in the ages of patients with fluid in the labyrinthine segment of the canal or geniculate ganglion compared with those without fluid ( P = .177 and P = .896, respectively). (ajnr.org)
  • 1 If otorrhea is present, preoperative meningitis has been reported in approximately half of patients. (ajnr.org)
  • It can have devastating complications in some patients, as the communication between the nasal cavity, the cerebrospinal fluid and the central nervous system can result in severe bacterial infections. (wikipedia.org)
  • Other signs of a basilar skull fracture include CSF otorrhoea (drainage of CSF through the ear). (wikipedia.org)
  • 20. Spontaneous CSF otorrhea from tegmen and posterior fossa defects. (nih.gov)
  • Facial nerve canals were assessed for the presence of fluid along each segment and meningoceles within either the labyrinthine segment (fluid-filled distention, ≥1.0-mm diameter) or geniculate ganglion fossa (fluid-filled distention, ≥2.0-mm diameter). (ajnr.org)
  • Localization of an otogenic spinal fluid leakage is usually accomplished using imaging studies. (medscape.com)
  • Spinal fluid, bright on T2 sequences, may be observed entering the middle ear. (medscape.com)
  • Fluid within the labyrinthine and geniculate segments of the facial nerve canal is relatively common. (ajnr.org)
  • Such findings should be considered of little clinical importance without radiologic evidence of CSF otorrhea, meningitis, or facial nerve palsy. (ajnr.org)
  • Observation of fluid or a meningocele within the facial nerve canal is a potential source of consternation to radiologists. (ajnr.org)
  • Unless the source is obvious, such as in a case of recent surgery or trauma, attempt to document that the draining fluid is in fact CSF. (medscape.com)
  • Cerebrospinal fluid (CSF) analysis showed neutrophilic pleocytosis and hypoglycorrhachia. (elsevierpure.com)
  • In the outpatient ear-nose-throat department of Dhaka Shishu Hospital, which serves 0 to 18-year-old children, we collected ear swabs from OM children with otorrhea from April 2014 to March 2015. (nih.gov)
  • 88% (981/1111) involved otorrhea, and we collected samples from 91% (891/981) of these children. (nih.gov)