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50 year old tennis player with pain in the knee .

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Case Identification
Case ID Number: 
20091117AD
Benign/Malignant: 
unknown
Clinical case information
Case presentation: 

The patient is a very pleasant woman who is an active tennis player and 50 years of age. She has had aching pain in the left knee and a radiograph revealed a bone lesion in the proximal tibia. The patient is seen at the request of her orthopedic surgeon.

Radiological findings:: 
The patient is generally healthy. She is currently taking no medicines. There is no family history of bone lesions or bone tumors. On detailed examination, the patient is in no acute distress, and is oriented to time, place, and person. Examination of the right knee shows normal appearance. There is no effusion. There is no erythema or swelling, no ecchymosis or bruising noted. The alignment of the knee is normal. The range of motion is full. In the proximal tibia there is no mass palpable. There is no tenderness over the proximal bone. There is no erythema or sign of inflammation. There is no popliteal adenopathy, no inguinal adenopathy, and no cervical adenopathy. The skin is normal and there is no cafe au lait spots.