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Juxta-articular chondroma Kaposi's Sarcoma Large cell lymphoma, Leimyosarcoma, Leiomyosarcoma, Letterer-Siwe disease, Leukemia, Low-grade intramedullary osteogenic sarcoma, Lumbosacral lipoma, Lymphangioma, Lymphangiomatosis, Lymphoma, Lymphoma pseudotumor (Actual: radiation osteitis), Lymphoma pseudotumor (Actual: stress fracture), Lymphoma with secondary osteogenic sarcoma Maffucci's Syndrome, Maligant fibrous histiocytoma pseudotumor (Actual: Hematoma), Malignant fibrous histiocytoma (MFH).
Synovial chondromatosis - Knee - Photomicrograph
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Synovial chondromatosis - Knee - Photomicrograph
  • Case ID: 365
  • Diagnosis: Synovial chondromatosis
  • Category: Soft Tissue Tumors
  • Category Type: Cartilaginous
  • Category Sub Type: Benign
  • Location: Knee
  • Age: 26
  • Sex: M
  • Treatment: Synovectomy
  • Image ID: 2482
  • Image Type: Photomicrograph
  • Images relating to this case: 2479 , 2480 , 2481 , 2482.

Low power photomicrograph of the synovial lining shows a large hypertrophic villus projecting into the knee joint with a central focus of metaplastic immature-appearing cartilage, a picture that helps to establish the diagnosis of primary synovial disease.


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