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MSK Cases

Case No. 13: Fibrous Dysplasia

Case No. 13: Fibrous Dysplasia

Modality: X-Ray Femur (Lateral view) Description: Lateral x-ray of femur shows anterior bowing of the femoral shaft with slight bony expansion and a long intramedullary diaphyseal radiolucent lesion with expansile remodeling and endosteal scalloping with hazy “ground-glass” appearance and some focally calcified matrix. No cortical break or periosteal reaction noted. No surrounding sclerosis was seen. Differential Diagnosis: Paget’s Disease Fibrous dysplasia …

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Case No. 12: Non-Ossifying Fibroma

Case No 12: SPOTTER-12-Non-ossifying-Fibroma

Modality: X-Ray Femur Description: Larger well-defined eccentrically located expansile lesion with multiple septations in the distal meta-diaphyseal region of the distal femur. Little surrounding sclerosis is seen. No cortical break noted. The small amount of periostitis along the lateral cortex is seen superiorly. Surrounding soft tissue is normal. Diagnosis: Non-ossifying Fibroma Key Points: The differential diagnosis of Non-ossifying fibroma are: …

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Case No. 11: Lymphoma

Case No. 11: Lymphoma

Modality: X-Ray Humerus Description: Osteopenia with moth-eaten pattern is seen involving humerus, associated with pathologic fracture. No sclerosis is seen. No new bone formation noted. The shoulder joint is normal. Differential Diagnosis: The differential diagnosis of lymphomas are: Ewing sarcoma Leukemia Metastasis (including. neuroblastoma) Multiple myeloma Osteomyelitis Osteosarcoma Hemangioendothelioma Angiosarcoma Fungus disease Diagnosis: Lymphoma

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Case No. 9: Adamantinoma – Bone Tumor

Case No 9, Adamantinoma

Modality: X-Ray Tibia Fibula (AP view) Description: AP radiograph of the tibia shows a chronic lytic process involving the anterior medial cortex of the midshaft of the tibia, with evidence of chronic sclerotic reactive bone formation at the base with the slight involvement of the medullary canal. No periosteal reaction noted. No cortical break is seen. Diagnosis: Adamantinoma Key Points: …

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Case No. 5: Scleroderma – Progressive Systemic Sclerosis

SPOTTER 5 Scleroderma (Progressive Systemic Sclerosis) 2nd

Modality: X-Ray Shoulder Description of Case No. 5: Marked periarticular irregular calcifications are noted around the shoulder. No bony lesion is identified. Diagnosis: Scleroderma (Progressive Systemic Sclerosis) Key Points: Scleroderma is also known as systemic sclerosis. It is an autoimmune connective tissue disorder. Scleroderma involves multiple organs. Soft tissue calcification in scleroderma occurs not only in the digits but also on the …

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Case No. 4: Juvenile Rheumatoid Arthritis

Modality: X. Ray Hand. Description of Case No. 4: Periarticular osteoporosis and soft tissue swellings are noted around the metacarpophalangeal and proximal interphalangeal joints and the wrist. Mild joint space narrowing,  erosive abnormalities, and periosteal bone formation in seen in the phalanges. Diagnosis: Juvenile Rheumatoid Arthritis. Key Point: Juvenile rheumatoid arthritis is also known as Juvenile idiopathic arthritis. Asymmetrical abnormalities of both hands are most …

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Case No. 3: Degenerative Spondylolisthesis

radiology definition Degenerative spondylolisthesis

Modality: CT lumbar spine (Sagittal view) Description of Case No. 3: Sagittal reformatted image derived from axial CT scans of the lumbar spine shows degeneration at the L4/5, level with a vacuum phenomenon. A grade II spondylolisthesis is seen at the L4/5, level. L4/5, level disc spaces are narrowed. Diagnosis: Degenerative Spondylolisthesis Key Points: The most frequently seen alignment abnormality …

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Case No 1: Rickets

Case No 1: Rickets

Modality: X-Ray wrist (AP View) Description of Case No. 1: Widening and fraying of the metaphysis and irregularity, cupping and enlargement of the metaphysis noted at the distal end of radius and ulna. The periosteal reaction also observed in distal shafts of radius and ulna. No fracture was seen. Diagnosis: Active Rickets Key Points of Case no. 1: Widening of …

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