Items tagged “cases3”

344 results found
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Dorsal bridge plate fixation

Dorsal bridge plate fixation is an open reduction internal fixation technique for extensive comminuted articular and metaphyseal radial fractures. Terminology Dorsal bridge plate fixation is also known as dorsal spanning plate fixation. Indications The main indication is the treatment of dif...
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Buttress plate

Buttress plates are osteosynthetic implants commonly used in the metaphyseal area for internal fixation of articular fractures to support intraarticular fragments. Usage They are used to counteract vertical shear forces during axial loading in the metaphyseal area and to prevent sliding/shorte...
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Side strain

Side strain or oblique abdominal muscle strain refers to a tear or strain type muscle injury of the oblique abdominal muscles seen in certain sports. Epidemiology Side strain is a rather uncommon injury mostly seen in certain athletes 1-3. Risk factors Sports or activities that increase the ...
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Antiglide plate fixation

Antiglide plate fixation is an open reduction internal fixation (ORIF) technique used in oblique diaphyseal fractures of the distal fibula.  Usage They are used to counteract vertical shear forces during axial loading in the diaphyseal bone and to prevent sliding/shortening of the fracture fra...
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Black line sign

The black line sign refers to a hypointense linear area in the articular cartilage on magnetic resonance imaging, first described in the trochlear groove 1-3. These lesions have been found also in all other regions of articular cartilage in the knee and not only on T2 weighted images but also i...
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Comprehensive arthroscopic management of the shoulder

The comprehensive arthroscopic management (CAM) procedure of the shoulder is an arthroscopic joint-preserving technique in the surgical management of glenohumeral osteoarthritis. History The comprehensive arthroscopic management was first described by Millet et al. 2010 1. Indications The co...
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Horseshoe appendix

A horseshoe appendix is an extremely rare variant of the vermiform appendix, in which the appendix arises from the cecum and curves back on itself to re-insert into the cecum, similar to a semicircular canal in the inner ear. Epidemiology Anatomic variation of the appendix is extremely rare. I...
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Myocardium

The myocardium defines the middle layer of the cardiac wall between the endocardium and the pericardium and forms the muscular part of the heart. Gross anatomy The myocardium represents the middle layer of the cardiac wall. It is located between the endocardium and the epicardial layer of the ...
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Subtalar instability

Subtalar instability refers to an unstable talocalcaneal or subtalar joint and is difficult to diagnose. Epidemiology Subtalar instability occurs in patients with lateral ankle instability in up to 10-25% 1. Associations Clinical conditions associated with subtalar instability include the fo...
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Leiomyosarcoma of the prostate

Leiomyosarcoma of the prostate is a rare mesenchymal smooth muscle malignancy of the prostate gland. Epidemiology It is a rare tumor with less than 200 cases reported in the literature accounting for approximately 25% of all sarcomas of the prostate gland and less than 0.1% of primary prostate...
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Sarcomatoid carcinoma of the prostate

Sarcomatoid carcinoma of the prostate is a rare malignant prostatic tumor variant usually composed of both malignant glandular cells and spindle cells. Terminology Sarcomatoid carcinoma of the prostate is also known as carcinosarcoma, metaplastic carcinoma or spindle cell carcinoma of the pros...
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Stromal tumor of uncertain malignant potential

Stromal tumor of uncertain malignant potential (STUMP) is a rare stromal tumor of the prostate with a broad spectrum of histologic patterns and variable clinical behavior. Terminology Stromal tumor of uncertain malignant potential has been also known as atypical stromal hyperplasia, cystic epi...
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Hypertensive heart disease

Hypertensive heart disease (HHD) refers to a condition covering morphological and physiological changes of the heart, the coronary arteries and the aorta. Epidemiology Over 1.1 billion people worldwide, one-fourth of all men and one-fifth of all women suffer from hypertension and the condition...
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Osteochondromyxoma

Osteochondromyxomas (OMX) are very rare benign tumors with both a chondroid and osteoid matrix mostly seen within the Carney complex. Epidemiology Generally, osteochondromyxomas are extremely rare. Within the Carney complex, they occur in about 1% of the patients and are usually seen early in ...
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High-grade surface osteosarcoma

High-grade surface osteosarcomas are sporadic and high-grade malignant osteoid-forming tumors emerging from the bony surfaces similar to parosteal and periosteal osteosarcomas. Epidemiology High-grade surface osteosarcomas are very rare and constitute <1% of all osteosarcomas. There seems to b...
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Epithelioid hemangioma of bone

Epithelioid hemangiomas of bone are benign intraosseous vascular neoplasms of epithelioid morphology which show locally aggressive behavior. Terminology The following terms are not recommended 1:  histiocytoid hemangioma hemorrhagic epithelioid hemangioma spindle cell hemangioma Epidemiolo...
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Epithelioid hemangioma

Epithelioid hemangiomas are benign vascular neoplasms made of epithelioid endothelial cell morphology usually seen in cutaneous and subcutaneous tissues. Epidemiology They have been observed in all age groups with a peak incidence in the 4th decade. There is no gender predominance 1. Diagnosi...
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Pleomorphic liposarcoma

Pleomorphic liposarcomas are high-grade malignant neoplasms arising from adipocytic tissues characterized by a variable number of pleomorphic lipoblasts and the absence of areas of well-differentiated liposarcoma and other lines of differentiation. Epidemiology Pleomorphic sarcomas are rare an...
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Myxoid pleomorphic liposarcoma

Myxoid pleomorphic liposarcomas are extremely rare aggressive malignant neoplasms arising from adipocytic tissues characterized by a mixture of pleomorphic and myxoid features and the absence of genetic fusions and amplifications seen in well-differentiated liposarcoma and other lines of differe...
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Adult fibrosarcoma

Adult fibrosarcomas are rare, malignant and highly aggressive fibroblastic soft tissue tumors. They constitute a diagnosis of exclusion. Epidemiology Adult fibrosarcomas by definition are rare and make up around 1% of soft tissue sarcomas. They are mostly seen in middle-aged people within the ...