• Acute aortic dissection (AAD) is associated with degeneration of the aortic media and accompanied by vascular extracellular matrix (ECM) remodeling. (frontiersin.org)
  • Acute aortic dissection (AAD) is a life-threatening cardiovascular disease associated with high rates of mortality and morbidity. (frontiersin.org)
  • This is called an aortic dissection (AD) . (healthline.com)
  • Several molecular pathways and the activation of matrix metalloproteinases associated with the pathogenesis of SS participate in the initiation and progression of aortic aneurysm (AA) and aortic dissection (AD). (bmj.com)
  • Aortic dissection is the surging of blood through a tear in the aortic intima with separation of the intima and media and creation of a false lumen (channel). (msdmanuals.com)
  • Surgical repair of the aorta and placement of a synthetic graft are needed for ascending aortic dissection and for certain descending aortic dissections. (msdmanuals.com)
  • Clinical and pathologic findings of aortic dissection at autopsy: Review of 336 cases over nearly 6 decades. (msdmanuals.com)
  • Cervical artery dissection is a major cause of ischemic stroke in young adults, but the diagnosis can be difficult to make because patients may present with benign symptoms such as headache, neck pain, or dizziness. (medscape.com)
  • Neck dissection is surgery to remove the lymph nodes in your neck. (medlineplus.gov)
  • Avoid straining your neck muscles or lifting objects weighing more than 10 pounds (lbs) or 4.5 kilograms (kg) for 4 to 6 weeks. (medlineplus.gov)
  • Central neck dissection: indications and technique. (medlineplus.gov)
  • Objective: To assess the dynamic activity of scapular muscles in patients with accessory nerve dysfunction after neck dissection surgery, compared with both their unaffected side and with age- and sex-matched controls. (edu.au)
  • One group consisted of neck dissection patients with demonstrated clinical signs of accessory nerve injury. (edu.au)
  • Main Outcome Measures: Electromyographic activity comparisons were made between the neck dissection affected side, the neck dissection unaffected side, and the matched healthy control side. (edu.au)
  • Results: The neck dissection affected side demonstrated significantly less upper trapezius and middle trapezius muscle activity compared with the neck dissection unaffected side and matched control group. (edu.au)
  • The neck dissection unaffected side had significantly less upper trapezius muscle activity than the matched control group. (edu.au)
  • Conclusions: Trapezius muscle activity is significantly reduced in accessory nerve shoulder dysfunction as a result of neck dissection, both in the affected and unaffected sides. (edu.au)
  • Late complications of head and neck cancer survivors include neck muscle atrophy and soft-tissue fibrosis. (e-roj.org)
  • We present an autopsy case of neck muscle atrophy and soft-tissue fibrosis (sternocleidomastoid, omohyoid, digastric, sternohyoid, sternothyroid, and platysma muscles) within the radiation field after modified radical neck dissection type I and postoperative radiotherapy for floor of mouth cancer. (e-roj.org)
  • A 70-year-old man underwent primary tumor resection of the left floor of mouth, left marginal mandibulectomy, left modified radical neck dissection type I, and reconstruction with a radial forearm free flap. (e-roj.org)
  • Radiation-induced toxicity is a major cause of long-term disability after head and neck cancer treatment, such as subcutaneous soft-tissue fibrosis, neck muscle atrophy, swallowing abnormality, and trismus [ 1 2 3 4 ]. (e-roj.org)
  • Neck muscle atrophy and soft-tissue fibrosis have received little attention in the clinical literature. (e-roj.org)
  • We report a morphological analysis of neck muscle atrophy and soft-tissue fibrosis in an oral cancer autopsy case after modified radical neck dissection (MRND) type I and adjuvant radiotherapy to gain more insight into the clinical picture of neck muscle atrophy and soft-tissue fibrosis. (e-roj.org)
  • Even experienced surgeons find it difficult to visually identify the recurrent laryngeal nerve (RLN) or vagus nerve during thyroid surgery and other neck dissections. (medtronic.com)
  • Is total thyroidectomy with bilateral central neck dissection the only surgery for papillary thyroid carcinoma patients with clinically involved central nodes? (springer.com)
  • According to the 2015 American Thyroid Association (ATA) guidelines, total thyroidectomy with therapeutic central-compartment neck dissection (CND) is recommended for papillary thyroid carcinoma (PTC) patients with suspicious central lymph node metastasis (CLNM) on preoperative imaging [ 1 ]. (springer.com)
  • Also had a selective neck dissection on the left side. (cancer.org)
  • This neoplasm is rare at neck and head region, being reported in the trapezius, sternocleidomastoid, tongue, cheek, floor of mouth and temporal muscle 1-6 . (bvsalud.org)
  • 3. After neck dissection, TLG was performed (Figure 2). (who.int)
  • 9. In both groups, two Redivac drains were placed at the site of the neck dissection. (who.int)
  • In adults, hypoparathyroidism is usually an acquired condition caused by a complication of thyroidectomy, parathyroidectomy, radical neck dissection or radiation. (medscape.com)
  • The tibialis anterior muscle arises from the upper 2/3 of the lateral surface of the tibia and[better source needed] the adjoining part of the interosseous membrane and deep fascia overlying it, and the intermuscular septum between this muscle and the extensor digitorum longus. (wikipedia.org)
  • citation needed] medial view of dissected ankle has two muscles Lateral aspect of right leg. (wikipedia.org)
  • Lateral view *This has some structures labelled incorrectly e.g. tibialis anterior, extensor hallucis longus and cuboid bone Tibialis posterior muscle This article incorporates text in the public domain from page 480 of the 20th edition of Gray's Anatomy (1918) Ma, Yun-tao (2011-01-01), Ma, Yun-tao (ed. (wikipedia.org)
  • The layers which comprise its sheath have been separated from each other near the lateral border of the muscle. (stanford.edu)
  • The extensor digitorum longus is a pennate muscle , situated at the lateral part of the front of the leg. (wikipedia.org)
  • and from the intermuscular septa between it and the tibialis anterior on the medial, and the peroneal muscles on the lateral side. (wikipedia.org)
  • Using a medial to lateral dissection the left colon with the splenic flexure is mobilized. (sages.org)
  • a deep lamina that fused with the aponeurosis of transverses abdominis at the lateral border of rectus abdominis and a superficial lamina that fused with aponeurosis of external oblique abdominis mid-way between the medial and lateral borders of rectus abdominis muscle. (scielo.cl)
  • En todos los casos, la aponeurosis del músculo oblicuo interno del abdomen se dividió en dos láminas, una lámina profunda que se fusionaba con la aponeurosis del músculo transverso del abdomen en el borde lateral del músculo recto del abdomen y una lámina superficial que se fusionaba con la aponeurosis del músculo oblicuo externo del abdomen a mitad del recorrido entre los bordes medial y lateral del músculo recto del abdomen. (scielo.cl)
  • 7. The lateral edge of the cut muscle was sutured to the contralateral SCM muscle. (who.int)
  • We would like to thank Dr. Wagner and colleagues for their letter and for their compliments on the quality of our article "Histological R0 classification after colorectal endoscopic submucosal dissection: a gold standard with feet of clay. (thieme-connect.de)
  • On the other hand, endoscopic intermuscular dissection (EID) in the rectum has been recently described and could provide vertical free margins, by dissecting more deeply between the two muscle layers, when the deep submucosa is invaded [ 2 ]. (thieme-connect.de)
  • Diagnostic endoscopic submucosal dissection for colorectal lesions with suspected deep invasion. (thieme-connect.de)
  • Endoscopic intermuscular dissection of rectal T1 cancer with adaptive traction: use of additional loops to improve traction directly on the circular muscular layer. (thieme-connect.de)
  • Full understanding of the specific anatomy of the endoscopic repair is necessary to proceed with the dissection of the GE junction. (sls.org)
  • The rectum is mobilized proximally on the intersphincteric plane until the level of the laparoscopic pelvic dissection is reached. (sages.org)
  • The purpose of this study is to assess the antitumor effectiveness and safety of perioperative enfortumab vedotin (EV) plus pembrolizumab and radical cystectomy (RC) + pelvic lymph node dissection (PLND) compared with the current standard of care (neoadjuvant chemotherapy [gemcitabine plus cisplatin] and RC + PLND) for participants with MIBC who are cisplatin-eligible. (mayo.edu)
  • Be deemed eligible for Radical Cystectomy (RC) + Pelvic Lymph Node Dissection (PLND). (mayo.edu)
  • Here we describe the dissection of the crayfish abdominal nerve cord. (jove.com)
  • Abdominoplasty (also called a Tummy Tuck) removes excess fat and skin, and in most cases restores weakened or separated muscles creating an abdominal profile that is smoother and firmer. (bmc.org)
  • La pared anterior de la vaina del músculo recto en todos los casos era aponeurótica y firmemente unida al músculo recto abdominal. (scielo.cl)
  • Usually the anterior wall is made up of the aponeuroses of EOA and IOA above the arcuate and aponeuroses of all the three anterolateral abdominal muscles below this line (Williams et al . (scielo.cl)
  • It clearly shows muscles, internal organs, blood vessels, and nerves making it "most suited for studying the locomotive system, the inner organs (respiratory organs, circulatory, intestinal and genitourinary tract) as well as the peripheral nervous system. (geekalerts.com)
  • Reflexes in Frogs, Introduction to dissection and electrical stimulation of muscles and nerves. (wofford.edu)
  • In most cases, the dissection of the distal esophagus can be done with blunt instruments without the use of any energy source. (sls.org)
  • Type IIIa dissections originate distal to the left subclavian artery and are confined to the thoracic aorta. (msdmanuals.com)
  • Type IIIb dissections originate distal to the left subclavian artery and extend below the diaphragm. (msdmanuals.com)
  • 2. The flap was dissected superiorly until the middle of the muscle, approximately 1 cm distal to the entry point of the spinal accessory nerve into the muscle (Figure 1). (who.int)
  • The tibialis anterior muscle is the most medial muscle of the anterior compartment of the leg. (wikipedia.org)
  • better source needed] The muscle helps maintain the medial longitudinal arch of the foot. (wikipedia.org)
  • The transversus muscle (14) passes posterior to the aponeurosis of the internal oblique to become aponeurotic approximately midway in its course behind the rectus muscle. (stanford.edu)
  • Dissection in the space posterior to the esophagus should be done only under direct vision. (sls.org)
  • La pared posterior de la vaina del músculo recto era aponeurótica en 71 (88,5%) casos, las paredes restantes eran musculoaponeuróticas y sólo se observaron en varones. (scielo.cl)
  • 1998). This sheath has two walls, anterior and posterior, that enclose rectus abdominis muscle and its neurovascular bundle. (scielo.cl)
  • Prolonged flexion of the lumbar spine results in tension-relaxation and laxity of its viscoelastic structures, loss of reflexive muscular activity within 3 minutes and electromyogram spasms in the multifidus and other posterior muscles. (cdc.gov)
  • Stanford type A dissections involve the ascending aorta and are treated via emergency surgical repair, whereas type B dissections only involve the descending aorta and usually require endovascular repair and/or medical therapy. (frontiersin.org)
  • Another element includes the use of a surgical approach that avoids releasing muscles and instead utilizes a muscle-spreading approach to get to the joint, as with anterior hip replacement surgery. (amazines.com)
  • Dissection is usually accompanied by hemorrhage into the arterial wall, which creates, as demonstrated in the first image below, a blind pouch or (uncommonly) a parallel subintimal second channel. (medscape.com)
  • B, Subadventitial dissection represents hemorrhage between the media and the adventitia. (medscape.com)
  • The head shows the facial muscles with superficial arteries and veins (if available) as well as sensible branches of facial nerve, greater and smaller occipital nerve, auriculotemporal nerve together with the parotid and submandibular gland. (geekalerts.com)
  • Combined superficial and deep dissection of the muscles of the extremities. (geekalerts.com)
  • Good examples of this technique are the internal obturator and superficial gluteal muscle flaps used in perineal hernia repair. (vin.com)
  • The origins and insertions of each muscle are clearly demonstrated by removal of the connective tissue. (geekalerts.com)
  • In most patients, the pathogenesis of arterial dissection is usually multifactorial. (medscape.com)
  • Endovascular stent grafts are an option for selected patients with descending dissections, especially when dissection involves the descending thoracic aorta. (msdmanuals.com)
  • In contrast, Mitin recommends considering trimodality therapy as the first option for patients with muscle-invasive bladder cancer, with cystectomy reserved for patients who are unable or unwilling to undergo bladder preservation or for salvage in the case of local recurrence. (medscape.com)
  • Recognizing a dissection early is essential, because prompt anticoagulant and/or antiplatelet therapy and endovascular repair greatly minimize the patient's risk of infarction, neurologic disability, and death. (medscape.com)
  • In general, such dissections can be categorized as traumatic or spontaneous. (medscape.com)
  • Spontaneous dissections are those in which no definitive precipitating factor is recognized. (medscape.com)
  • Experimentation with animal tissues such as heart or nerve muscle preparations is also very instructive. (the-scientist.com)
  • Single-cell dissection of the obesity-exercise axis in adipose-muscle tissues implies a critical role for mesenchymal stem cells. (broadinstitute.org)
  • Fibrous and muscle tissues were observed in all 25 specimens. (bvsalud.org)
  • better source needed] The muscle ends in a tendon which is apparent on the anteriomedial dorsal aspect of the foot close to the ankle. (wikipedia.org)
  • Tibialis anterior muscle Ankle joint. (wikipedia.org)
  • Effectiveness of sternocleidomastoid muscle flap in preventing of pharyngocutaneous fistula after total laryngectomy: An Open-label Clinical Trial. (who.int)
  • Careful identification of anatomical landmarks, specifically identification of the crura may help in identifying the esophagus even when previous surgery or large hernias make dissection difficult. (sls.org)
  • The second image demonstrates the angiographic characteristics of a chronic subadventitial dissection of the right internal carotid artery. (medscape.com)
  • Digital subtraction angiography (DSA) remains the gold standard for identifying and characterizing carotid artery dissections. (medscape.com)
  • Chronic subadventitial dissection of the right internal carotid artery. (medscape.com)
  • The annual incidence of internal carotid artery dissection is 1.72 per 100,000, and vertebral artery dissection 0.97 per 100,000. (medscape.com)
  • However, carotid and vertebral dissections are still underrecognized despite their distinct clinical and radiologic manifestations. (medscape.com)
  • Remodeling of extracellular matrix (ECM), decreases in smooth muscle cells (SMCs), and infiltration of inflammatory cells are thought to weaken the arterial wall and increase the risk of AAD ( 1 ). (frontiersin.org)
  • Arterial dissection. (medscape.com)
  • Arterial dissection is characterized by an intimal tear that results in an intramural hematoma and subsequent splitting of vessel wall layers, causing stenosis or occlusion and potentially aneurysmal dilatation of the vessel. (medscape.com)
  • Traumatic dissection is the result of either external mechanical injury, such as a penetrating or blunt trauma, or trivial trauma that is related to a movement or abrupt change in head position. (medscape.com)
  • The abrupt increase in pressure and extra stress on the heart muscle can lead to a sudden tear in the wall of your aorta, the main artery in your body. (healthline.com)
  • Laparoscopic Ultralow Anterior Resection with Intersphincteric Dissection for Low Rectal Cancer. (sages.org)
  • Objective: The aim of this video is to show a laparoscopic total mesorectal excision combined with intersphincteric dissection for the treatment of low rectal cancer. (sages.org)
  • Conclusion: This video shows the technical feasibility of laparoscopic total mesorectal excision for low rectal cancer combined with the preservation of the sphincter function using the intersphincteric dissection. (sages.org)
  • Dissection of the rectum, including circumference of the mesorectum, is performed until the exposition of the levator ani muscle. (sages.org)
  • Muscles and tendons. (stanford.edu)
  • This muscle varies considerably in the modes of origin and the arrangement of its various tendons. (wikipedia.org)
  • The tendons to the second and fifth toes may be found doubled, or extra slips are given off from one or more tendons to their corresponding metatarsal bones, or to the short extensor, or to one of the interosseous muscles. (wikipedia.org)
  • The muscular wall of the esophagus can be mistaken for the crura, so precise identification of the edge of the muscle is important. (sls.org)
  • The macroscopic aspect showed a specimen measuring 7,0 x 6,5 x 2,4 cm, presenting yellow tissue with lobulated aspect and muscular fibers through it, covered externally at one face by skeletal muscle tissue ( Figure 4 ). (bvsalud.org)
  • The muscle passes under the superior and inferior extensor retinaculum of foot in company with the fibularis tertius , and divides into four slips, which run forward on the dorsum of the foot, and are inserted into the second and third phalanges of the four lesser toes. (wikipedia.org)
  • 5. The overlying fascia and the remaining inferior constrictor muscle were closed using simple interrupted sutures. (who.int)
  • The anterior wall of the rectus sheath in all cases was aponeurotic and firmly attached to rectus abdominis muscle. (scielo.cl)
  • MRND type I included removal of nodal levels I through V, the left internal jugular vein (IJV), and part of the sternocleidomastoid (SCM) muscle (clavicular head) due to muscle invasion, sparing the spinal accessory nerve (SAN). (e-roj.org)
  • A deep portion of the muscle is rarely inserted into the talus, or a tendinous slip may pass to the head of the first metatarsal bone or the base of the first phalanx of the great toe. (wikipedia.org)
  • The extent of dissection varied, but the longitudinal muscle remained attached to the scleral spur. (medscape.com)
  • Treatment involves strict blood pressure control and serial imaging to monitor progression of dissection. (msdmanuals.com)
  • European Association of Urology (EAU) and National Comprehensive Cancer Network (NCCN) guidelines for non-muscle-invasive cancer strongly recommend stratifying risk of recurrence and progression and using risk tables to determine appropriate treatment. (medscape.com)
  • The clavicular head of the sternocleidomastoid muscle was divided. (vesalius.com)
  • The muscle also contributes to deceleration. (wikipedia.org)
  • Electrosurgery may also induce muscle stimulation, he adds, which further contributes to inexactness of dissection. (mddionline.com)
  • Interventions: Surface electromyographic activity of the upper trapezius, middle trapezius, rhomboid major, and serratus anterior muscles was compared dynamically during scapular strengthening exercises. (edu.au)
  • The generator is positioned in the left flank under the latissimus dorsi or serratus muscles. (medscape.com)
  • The benefit is less pain and faster rehabilitation due to less dissection and preservation of the muscle attachments to bone. (amazines.com)
  • The tibialis anterior muscle is innervated by the deep fibular nerve, and recurrent genicular nerve (L4). (wikipedia.org)
  • It has reduced sensitivity to rotation and movement while offering increased EMG responses that facilitate improved nerve dissection. (medtronic.com)
  • The underlying rationale of the system is improved control and dexterity, improved dissection characteristics, and decreased thermal injury so that there are no secondary unwanted effects," Manwaring explains. (mddionline.com)
  • When the foot is on the ground, the muscle helps to balance the leg and talus on the other tarsal bones so that the leg is kept vertical even when walking on uneven ground. (wikipedia.org)
  • Bones, muscles, and fascial connections relating to the following. (anatomytrains.com)
  • Can be used for all steps of ESD: Marking, injection, incision, dissection and hemostasis. (wjgnet.com)
  • The findings were re-viewed with the patient, and the choice of eye muscle surgery or prism glasses was offered with a recommendation that glasses and prism might be a good first step to provide best vision and eliminate double vision. (aao.org)
  • If she elected surgery, she would likely be a candidate for recession of 1 vertical muscle. (aao.org)
  • Perforation of the esophagus is more likely in reoperative surgery, because the original dissection planes are no longer present or have been altered. (sls.org)
  • Arthroscopic surgery is much less invasive than open surgery as there is no muscle dissection required to access the joint being operated on. (amazines.com)
  • The two principal treatment choices in muscle-invasive bladder cancer are radical cystectomy and transurethral resection of bladder tumor (TURBT) followed by concurrent radiation therapy and systemic chemotherapy (trimodality therapy). (medscape.com)
  • Five additional preparations were used as controls, in which dissection and recordings were identical, but the lumbar flexion was excluded. (cdc.gov)
  • To avoid such potentially damaging muscle movement, the patient is typically given a muscle relaxant. (mddionline.com)
  • Elevation of an intimal flap is not a common finding associated with this type of dissection. (medscape.com)
  • This angiogram shows a small pseudoaneurysm and a small intimal dissection with an elevated intimal flap that is just proximal to the subadventitial dissection. (medscape.com)
  • Have a histologically confirmed diagnosis of urothelial carcinoma (UC) / muscle invasive bladder cancer (MIBC) (T2-T4aN0M0 or T1-T4aN1M0) with predominant (≥ 50%) urothelial histology. (mayo.edu)
  • Has a known additional malignancy that is progressing or has required active anti-cancer treatment ≤ 3 years of study randomization with certain exceptions -Has received any prior systemic treatment for MIBC or non-invasive muscle bladder cancer (NMIBC. (mayo.edu)
  • The treatment of non-muscle-invasive (Ta, T1, carcinoma in situ [CIS]) and muscle-invasive bladder cancer should be differentiated. (medscape.com)
  • Chedgy and Black propose that radical cystectomy should be considered the gold-standard treatment for muscle-invasive bladder cancer. (medscape.com)
  • In the future, treatment selection for muscle-invasive bladder cancer is likely to be based on testing of tumors for biomarkers that indicate treatment sensitivity. (medscape.com)
  • Virtual dissection: Peel layers of muscles and reveal the anatomical structures below them. (applegazette.com)
  • Prolonged flexion of the lumbar spine resulted in initial reflexive electromyogram from the multifidus muscles that decreased to approximately 5% of its initial value as tension-relaxation began in the viscoelastic structures within the first 3 minutes, after which, random and unpredictable electromyogram discharges (i.e., spasms) of high amplitude were recorded from different levels. (cdc.gov)
  • The left rectus muscle has been detached from its origin and reflected medially. (stanford.edu)
  • Radical tonsillectomy of left one included some swallowing muscle. (cancer.org)
  • Type III (15%): These dissections start in the descending thoracic aorta just beyond the origin of the left subclavian artery and extend distally or, less commonly, proximally. (msdmanuals.com)
  • A hemi-coronal approach was made on the left side followed by dissection of the subcutaneous layer and identification the lesion's capsule ( Figure 3 ). (bvsalud.org)
  • You might need to be screened for HCM, a genetic condition that causes the heart muscle to become thick and can lead to sudden death. (cdc.gov)
  • The tibialis anterior muscle is a muscle of the anterior compartment of the lower leg. (wikipedia.org)
  • citation needed] The tibiofascialis anterior, a small muscle from the lower part of the tibia to the transverse or cruciate crural ligaments or deep fascia. (wikipedia.org)
  • citation needed] A tibialis anterior hernia is a rare type of hernia in which fat or other material protrudes through a defect in the tibialis anterior muscle. (wikipedia.org)
  • Tibialis anterior muscle Cross-section through top third and second third of right leg. (wikipedia.org)
  • The electromyogram of the L1-L7 multifidus muscles of the in vivo cat were recorded while applying a prolonged steady displacement to the lumbar spine through the L4-L5 supraspinous ligament, simulating a moderate anterior flexion. (cdc.gov)
  • The lumbar spine of seven in vivo cat preparations was displaced through the L4-L5 supraspinous ligament into moderate flexion that was steadily maintained for 50 minutes while intramuscular electromyograms were recorded from each of the multifidus muscles of L1-L2 through L6-L7. (cdc.gov)
  • Please join us for this unique Dissection Livestream event focused on the breath dynamics with Anatomy Trains author Tom Myers, and Master Dissector Todd Garcia. (anatomytrains.com)
  • Type I (50% of dissections): These dissections start in the ascending aorta and extend at least to the aortic arch and sometimes beyond. (msdmanuals.com)
  • Type II (35%): These dissections start in and are confined to the ascending aorta (proximal to the brachiocephalic or innominate artery). (msdmanuals.com)