• Junaid Zeb Khyber teaching hospital, Peshawar
  • Hamza Zafar Khyber teaching hospital, Peshawar
  • Qaisar Khan Khyber teaching hospital, Peshawar
  • Muhammad Siraj Khyber teaching hospital, Peshawar.
  • Muhammad Ayaz Khan Khyber teaching hospital, Peshawar.


Synovial sarcoma (SS) is a rare and aggressive mesenchymal tumour accounting for around 5–10% soft tissue neoplasms usually found in joints of upper and lower extremities. A 35years old healthy looking male patient from Afghanistan presented with swelling on palmar side of base of thumb from last one year. Seven months back excisional biopsy was taken report of which showed neurofibroma/dermatofibroma with. No evidence of malignancy seen. From last 5months mass reappeared and gradually increased in size with itching sensation and mild pain. On local examination there was 5×4×5 cm reddish mass on palmar surface of base of thumb with extension into mid thenar eminence with diffuse margins. X-ray showed soft tissue density mass with spikes of calcification. Ultrasound showed 4.2×4×4.5 cm heterogeneous solid lesion on anteromedial surface of root of right thumb without any remarkable intralesional calcification and remarkable intralesional vasculature. MRI reported lobulated well defined soft tissue mass eliciting low to intermediate signal on T1 and WIs and bright signal on T2and STIR Vividly enhancing mass. Case was operated mass was excised and biopsy sent. Post op status was unremarkable. Biopsy reported poorly differentiated biphasic synovial sarcoma. No recurrence seen till 3months.

Author Biographies

Junaid Zeb, Khyber teaching hospital, Peshawar

Resident orthopaedics & Trauma Unit Khyber teaching hospital, Peshawar

Hamza Zafar, Khyber teaching hospital, Peshawar

Resident orthopaedics & Trauma Unit Khyber teaching hospital, Peshawar

Qaisar Khan, Khyber teaching hospital, Peshawar

Registrar Orthopaedics & Trauma Unit Khyber teaching hospital, Peshawar.

Muhammad Siraj, Khyber teaching hospital, Peshawar.

Assistant Professor Orthopaedics & Trauma Unit Khyber teaching hospital, Peshawar.

Muhammad Ayaz Khan, Khyber teaching hospital, Peshawar.

Professor and Incharge Orthopaedics & Trauma Unit Khyber teaching hospital, Peshawar.


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