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Case No. 32: Secondary Hypertrophic Osteoarthropathy

Secondary Hypertrophic Osteoarthropathy

Case No. 32: Secondary Hypertrophic Osteoarthropathy Modality: X-Ray Femur. Report Of Secondary Hypertrophic Osteoarthropathy: Symmetric periostitis is seen involving the distal portion of the femur. No fracture was seen. Differential Diagnosis: Hypertrophic Osteoarthropathy. Hypervitaminosis A. Chronic venous insufficiency. Pachydermoperiostosis. Thyroid acropachy. Ewings Sarcoma. Osteomyelitis. Diagnosis: Secondary Hypertrophic Osteoarthropathy. Key Points: A syndrome characterized by digital clubbing, arthritis, and bilateral symmetric periostitis …

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Case No. 29: Solitary Osteochondroma

Solitary Osteochondroma Seen en-face

Case No. 29: Solitary Osteochondroma. Modality: X-Ray of Hip Joint. Report Of Solitary Osteochondroma: A large irregular mixed type of lesion seen arising from the intertrochanteric region of the femur, with zones of increased and decreased radiodensity. No cortical break or periosteal reaction noted. Normal hip joint. Differential Diagnosis: Fibrous dysplasia Intraosseous Lipoma Chondromyxoid fibroma Liposclerosing myxoid tumor Osteochondroma Diagnosis: Solitary …

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Case No. 28: Intraosseous Lipoma

Case No. 28: Intraosseous lipoma

Case No. 28: Intraosseous Lipoma Modality: X-Ray Hip Joint (AP view) Report of Intraosseous Lipoma: Hip joint AP view shows a geographic lesion with a faint rim of sclerosis and two foci of sclerosis in the femoral metaphysis. No fracture was seen. Diagnosis: Intraosseous Lipoma Key Points: 15% of intraosseous lipomas occur in the femur. Intertrochanteric region and femoral neck are …

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Case No. 27: Pott’s Disease with Psoas Abscess

Pott's Disease with Psoas Abscess

Case No. 27: Pott’s Disease with Psoas Abscess: Modality: CT Abdomen with contrast. Report of Pott’s Disease with Psoas Abscess: Abdominal CT was performed which showed left sided psoas abscesses displacing the left kidney anteriorly and involving the L1 vertebral body with marked erosion and destruction. The right kidney is normal. Diagnosis: Pott’s Disease with Psoas Abscess Key Points: The …

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Case No. 22: Malignant Fibrous Histiocytoma

Report Of Malignant Fibrous Histiocytoma: A lateral radiograph reveals a large soft tissue mass in the posterior thigh with a pathologic fracture involving the midshaft of the femur. A transaxial CT scan bone window clearly shows the extent of bone destruction and separation of the anterior cortex from the posterior cortex due to the pathologic fracture. Osseous debris is scattered …

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Case No. 21: Aggressive Giant Cell Tumor

Modality: X-Ray Knee Report Of Aggressive Giant Cell Tumor: A highly destructive osteolytic lesion obliterates the cortical and the medullary bone of the entire metaphysis and subchondral region of the distal portion of the femur. The matrix of the lesion is purely osteolytic, and a pathologic fracture with angulation is seen. A large soft tissue mass is evident. Marked osteopenia …

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Case No. 17: Melorheostosis – Mesenchymal Dysplasia


Modality: X-Ray Knee Description of Case No. 17: Cloudlike accumulations of hyperostosis and soft tissue ossification also are seen adjacent to the distal portion of the femur and the proximal portion of the tibia. Diagnosis: Melorheostosis Key Points: Melorheostosis is also referred to as Leri disease. is an unusual mesenchymal dysplasia manifesting as areas of sclerosing bone with a characteristic …

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Case No. 16: Paget’s Disease

Case No 16 Paget’s disease

Modality: X-Ray Tibia/Fibula (Lateral view) Description: Lateral x-ray of tibia/fibula reveals bony expansion, anterior bowing of the tibia with cortical thickening and trabecular coarsening. No cortical break or periosteal reaction noted. Diagnosis: Paget’s disease Key Points: Paget’s disease (osteitis deformans) is a common, metabolic bone dysfunction characterized by excessive abnormal bone re-modelling. It largely impacts the pelvis, spine, skull and long …

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Case No. 15: Ollier’s Disease – Multiple Enchondromas

Case No 15 Ollier’s Disease - Multiple Enchondromas

Modality: X-Ray Hip. Description: Multiple non-expansile mixed types of lesion noted over both ilium, around both sacroiliac joints and both proximal femora. No fracture is seen. Both hip joint spaces are normal. Diagnosis: Ollier’s Disease – Multiple Enchondromas Key Points: Ollier’s disease primarily affects the long bones and cartilage of the joints of the arms and legs, specifically the area …

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Case No. 14: Enchondroma – Benign Bone Tumor

Case No 14 Enchondroma

Modality: X-Ray Of Hand. Description: X-ray of hand show intramedullary lucent lesion with chondroid calcification occupying the entire shaft of the 1st metacarpal bone. No cortical break or periosteal reaction noted. Differential Diagnosis: Low-grade chondrosarcoma. Bone Infarct. Intraosseous ganglion. Sarcoidosis. Tuberculosis. Diagnosis: Enchondroma Key Points: Enchondromas are common benign medullary cartilaginous neoplasms. Ollier disease and Maffucci syndrome are associated with …

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