Fibrous Dysplasia — Shepherd’s Crook
Developmental fibro‑osseous lesion replacing normal bone with fibrous tissue. Types: monostotic (70%), polyostotic; associated with McCune–Albright (café‑au‑lait, endocrine). X‑ray: ground‑glass appearance, expansion, cortical thinning; Shepherd’s crook deformity of proximal femur. Histology: irregular woven bone trabeculae (‘Chinese letters’) in fibrous stroma. Treatment: bisphosphonates for pain, corrective osteotomies, internal fixation for deformity.
Practised by MCQ
10What is the most common type of fibrous dysplasia?
mcqWhich of the following is a characteristic radiological finding in fibrous dysplasia?
mcqWhat is the characteristic deformity associated with fibrous dysplasia of the proximal femur?
mcqWhich genetic mutation is commonly associated with fibrous dysplasia?
mcqWhat is the main histological feature of fibrous dysplasia?
mcqWhich syndrome is characterized by polyostotic fibrous dysplasia, café-au-lait spots, and endocrine abnormalit...
mcqWhat treatment is commonly used for pain management in fibrous dysplasia?
mcqWhich of the following features is least likely to be associated with fibrous dysplasia?
mcqWhich type of fibrous dysplasia is most likely to undergo malignant transformation?
mcqWhat is the typical clinical presentation of fibrous dysplasia in the proximal femur?