Age / Sex : 42 / F

Chief complaint : 크기가 커지는 우하복부 근처의 덩이 (ASIS 근처)
10일 전후 무거운 물건을 들었다.


What is your diagnosis?

Two weeks later, you can see the final diagonosis with a brief discussion of this case (Please submit only one answer)

Courtesy : 한 석(Seok, Hahn), 인제대학교 해운대 백병원 (Inje University Haeundae Paik Hospital)

proliferative myositis

Discussion

Findings
Heterogeneous, oval shaped heterogeneous echoic lesion in right internal oblique abdominis muscle.
Relatively preserved continuous muscular fibers with increased internal vascularity.
Equivocal or slightly increased size of the mass.

References
Radiol Case Rep. 2021 May 26;16(7):1902-1906.