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Saturday, 5 April 2025

CASE 822: TUBERCULOSIS of KNEE SOFT TISSUE, Dr PHAN THANH HẢI , Dr NGUYỄN SÀO TRUNG, MEDIC MEDICAL CENTER, HCMC, VIETNAM

 A 43 year-old female nurse with her right knee pain and slight swelling for 3 months. Her 20 year old history noted she got TB cervical lymph nodes.

Ultrasound detected a #36x35mm mass of the right femoral external vastus. The muscular mass has unclear border, mixed echogenic and hypovascular.

There was edema of the synovial membrane into the knee joint # 46x48 mm. 

No fluid collection nor bone destruction existed of the right knee joint.





MRI confirmed the right knee mass but could not differentiate  between hemangioma, tenosynovial giant cell tumor, soft tissue sarcoma...from others.





Core biopsy was done and the result was a TB knee soft tissue inflammation which had TB cysts composed caseum and degenerated Langhans cells and lymphocytes.


A TB treatment regimen for 8 months for the nurse was planned.