Bone and Soft Tissue Pathology — Flashcards

Ewings sarcoma are _____ positive (owing to intracellular glycogen) and reticulin negative

Hint: stain

_____ is a localized form of subacute osteomyelitis that occurs most often in the long bones of the lower extremities of young adults.

_____ is a mild autosomal dominant form of osteopetrosis that is caused by a mutation of CLCN7 gene

Garre's sclerosing osteomyelitis is caused by a _____-grade anaerobic infection which is effectively contained by the host immune system

Spindle cells of aneurysmal bone cyst frequently demonstrate rearrangements of chromosome _____, leading to USP6 overexpression

_____ is a self-limited fibroblastic and myofibroblastic proliferation arising in deep dermis, subcutis or muscle that typically occurs following trauma

Stickler syndrome is due to defect in type _____ collagen

On histology, a gradient of maturation (zonation) from cellular, loose, and myxoid to organized and fibrous is typical of _____ fasciitis

Desmoid tumor commonly affects males _____ than females

What is the earliest pathological change seen in osteoarthritis?_____