Articles

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More than 200 results
Article

Osgood-Schlatter disease

Osgood-Schlatter disease, also known as apophysitis of the tibial tubercle, is a chronic fatigue injury due to repeated microtrauma at the patellar tendon insertion onto the tibial tuberosity, usually affecting boys between ages 10-15 years. Terminology Unresolved Osgood-Schlatter disease is t...
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Trigeminal schwannoma

Trigeminal schwannomas are uncommon slow-growing encapsulated tumors composed of schwann cells. They are the second most common intracranial schwannoma, far less common than vestibular schwannoma, and has a predominantly benign growth.  Epidemiology  Patients usually present in middle age, typ...
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Splenic amyloidosis

Splenic amyloidosis is rare as an isolated entity. Most often it is associated with either systemic amyloidosis or hepatic amyloidosis. Epidemiology In general, splenic involvement in amyloidosis is rather frequent (5-10% of cases 6,7). Clinical presentation Symptoms include abdominal mass a...
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Radical cystectomy

A radical cystectomy is a surgical treatment in patients most commonly indicated for patients with muscle-invasive bladder cancer. Indications muscle-invasive bladder cancer 8 non-muscle invasive bladder cancer to local treatment (e.g. BCG therapy) 2,8 neurogenic or nonfunctioning bladder in...
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Susac syndrome

Susac syndrome, also known as retinocochleocerebral vasculopathy or SICRET syndrome (small infarctions of cochlear, retinal and encephalic tissue), is a rare syndrome typically affecting young to middle-aged women that is clinically characterized by the triad of acute or subacute encephalopathy,...
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Deep vein thrombosis

Deep vein thrombosis (DVT) most commonly occurs in the lower limbs; however, it is not uncommon in the upper limb and neck deep veins. Other types of venous thrombosis, such as intra-abdominal and intracranial, are discussed in separate articles. Terminology The term indeterminate (equivocal) ...
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Cerebral cavernous venous malformation

Cerebral cavernous venous malformations, also commonly known as cavernous hemangiomas or cavernomas, are common cerebral vascular malformations, usually with characteristic appearances on MRI. It is the third most common cerebral vascular malformation after developmental venous anomaly and capil...
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Meniscal degeneration

Meniscal degeneration is a process that often occurs due to gradual wear and is commonly associated with advanced knee osteoarthritis. It may or may not be associated with a chronic tear.  See also meniscal tear meniscal fraying
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Multiple endocrine neoplasia syndromes

Multiple endocrine neoplasia (MEN) syndromes are a collection of syndromes characterized by the presence of, as the name would suggest, multiple neuroendocrine tumors. They are autosomal dominant in inheritance. MEN1 (Wermer syndrome) MEN2 (multiple endocrine adenomatosis) MEN2a (Sipple syndr...
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Congenital pseudoarthrosis of the tibia

Congenital pseudoarthrosis of the tibia, or anterolateral bowing of the tibia with congenital dysplasia, describes abnormal bowing that can progress to a segment of bone loss simulating the appearance of a joint. The condition is usually apparent shortly after birth and rarely diagnosed after ag...
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Crawford classification of thoracoabdominal aneurysms

The Crawford classification system is used to classify thoracoabdominal aneurysms and has important therapeutic implications. Precise classification of anatomical features allows accurate risk stratification and appropriate operative planning 1,2.  Classification The system divides thoracoabdo...
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Tibioperoneal trunk

The tibioperoneal (TP) trunk, occasionally referred to as the tibiofibular​ trunk, is the direct continuation of the popliteal artery in the posterior upper leg after the origin of the anterior tibial artery. It is a short trunk that bifurcates into two terminal branches. Terminology Although ...
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Tennis leg

Tennis leg represents a myofascial or tendinous injury of the lower limb and, not surprisingly, is seen most frequently in tennis players. Epidemiology Although classically seen in people who play tennis, it can also be induced by playing squash, skiing, and athletics. Therefore, it typically ...
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Pseudosacculation

Pseudosacculations (also known as pseudodiverticula) are outpouchings of normal bowel wall along the antimesenteric border. Inflammation and fibrosis along the mesenteric border of the bowel loop causes asymmetric shortening of the mesenteric wall and subsequent pseudosacculations of the normal ...
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Bipartite patella

A bipartite patella (two-part patella) is a patella with an unfused accessory ossification center, typically at the superolateral aspect. Epidemiology The superolateral accessory ossification center of the patella is usually present by 12 years of age and may persist into adult life. Bipartite...
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Isolated calf muscle vein thrombosis

Isolated calf muscle vein thrombosis is relatively common and poses a clinical dilemma about the required treatment. They occur in the intra-muscular soleal and gastrocnemius veins, and are differentiated from other distal deep vein thrombosis (DVT) in the peroneal, anterior tibial, and/or poste...
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Bone tumors (overview)

The term bone tumor can be applied to a bewildering number of entities including primary and metastatic neoplasms as well as a variety of metabolic, developmental, lymphoid, reactive and tumor-like lesions that affect bone1-4. Hence, there are a wide variety of radiological appearances. A syste...
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Superior peroneal retinaculum injuries

Superior peroneal retinaculum injuries refer to a spectrum of acute and chronic injuries to the superior peroneal retinaculum at the ankle. They are one of the causes of lateral ankle pain and instability.  Clinical presentation Acutely, superior peroneal retinaculum injuries can present simil...
Article

Snapping biceps femoris tendon

Snapping biceps femoris tendon or snapping biceps femoris syndrome is an infrequent pathology where the distal biceps tendon dislocates over the fibular head and relocates painfully. Epidemiology Snapping biceps femoris tendon is considered an uncommon entity 1-4. Associations It has been as...
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Kaplan fibers of iliotibial band

Kaplan fibers are distinct fibrous connections between the iliotibial band and the distal femoral metaphysis. Gross anatomy Kaplan fibers are divided into two distinct structures 1: proximal Kaplan fibers distal Kaplan fibers The proximal and distal Kaplan fibers originate from the undersur...
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