On a plain radiograph (X-ray) I reviewed recently, I encountered a classic lesion straight out of a textbook: A broad-based bony outgrowth located at the proximal medial metaphysis of the tibia, demonstrating clear corticomedullary continuity with the parent bone and projecting distally (downward) away from the growth plate. When we first encounter this image, a single term immediately comes to mind: Exostosis. However, right at this juncture, one of the most intriguing debat

Chief Complaint: 67 -year-old male, Left hip pain persisting for 20 years, becoming progressive over the last 2 years, accompanied by a significant limp. ​History: A history of untreated/undiagnosed hip disorder during childhood (consistent with late-stage Perthes sequelae). ​Physical Examination: 2 cm shortening of the left lower extremity, positive Trendelenburg sign, and severe restriction in the range of motion (ROM) in all directions. Radiological Findings: Fig 1: Coxa