Intended for healthcare professionals

Endgames Case Review

Soft tissue mass of the anterior upper thigh

BMJ 2022; 378 doi: https://doi.org/10.1136/bmj.o1513 (Published 17 August 2022) Cite this as: BMJ 2022;378:o1513
  1. Tun Hing Lui, consultant1 2
  1. 1Department of Orthopaedics and Traumatology, North District Hospital, Hong Kong, China
  2. 2Shenzhen University, Shenzhen, China
  1. Correspondence to: T-H Lui luithderek@yahoo.co.uk[

A man in his 40s presented with a six week history of a non-tender soft tissue mass (fig 1) of the right anterior upper thigh that was evident when he extended the knee on that side. His ability to walk was not affected.

Fig 1

Soft tissue mass of anterior right upper thigh on extension of the knee. Vastus medialis (a) and vastus lateralis (b) contracted normally, and the mass (c) retracted proximally

Two weeks before he noticed the mass, he had experienced sudden pain in the anterior thigh when he kicked a ball while playing football. The pain was severe enough for him to quit the game, although he could still walk, albeit with difficulty. After receiving treatment with topical herbal medicine and massage on the day of injury, the thigh pain gradually improved over two weeks, although the …

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