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- Author or Editor: JH Walter Jr x
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A rare, large pediatric aneurysmal bone cyst with pathologic fracture of the distal tibia of a 4-year-old female was presented. Classic radiographic and magnetic resonance imaging findings have been discussed. In a comprehensive review of the literature, aneurysmal bone cysts are an infrequently reported neoplasm of the foot and ankle bones. Lesions are characteristically seen in patients younger than 20 years of age, but rarely younger than 5 years. The benign cyst has a 2:1 female-to male predilection. In long bones, the lesion is typically metaphyseal in nature. Although the pathogenesis is still unknown, there exists the possibility of two types of aneurysmal bone cysts: a primary type without preexisting lesion and a secondary form associated with some other lesion. The diagnosis of aneurysmal bone cyst can be strongly suspected by correlating the radiographic and magnetic resonance imaging findings. For definitive diagnosis, accurate histologic evaluation is imperative to rule out any confusion or possibility with a malignant tumor.
Arthritis, in one form or another, is one of the most common disorders that affect man. Whether the etiology is systemic, neurologic, or traumatic, the one common finding is the destruction of joint cartilage. Although there have been massive amounts of literature concerning osteoarthritis, little has been written about arthritis of the ankle joint. Current concepts in the pathology, terminology, symptomatology, and treatment of the arthritic ankle are discussed.
Although pigmented villonodular synovitis is a benign process, the potential of osseous destruction makes it a difficult case to manage. The treatment of pigmented villonodular synovitis often necessitates multiple surgical procedures with prolonged periods of nonweightbearing. Recalcitrant pain is often a sequela, secondary to nerve impingement.
The syndesmotic area in the ankle joint is analyzed by reviewing the literature and by examining its gross anatomy and histology. Seventy-five ankles were dissected and examined, with an emphasis on the syndesmotic area. The gross anatomical results of this study differ somewhat with those of other authors. The average height, attachments, consistency, color, and shape are reported. In addition to gross examination, four ankles were examined histologically, and the findings are discussed. The results of this study define in detail the anatomy of the syndesmotic area.