PMC6588138_01
Gross appearance of the tumor at the time of presentation.
JOCR-9-70-g001.jpg
PMC6588138_01_JOCR-9-70-g001.jpg
F1
The lesion at the time it was presented to our department on March 2018 had a fungating skin appearance and ST involvement (Fig. 1 and Fig. 2) with a foul-smelling odor.
Computed tomographyand positron emission tomographyscan showing the tumor margins.
JOCR-9-70-g003.jpg
PMC6588138_01_JOCR-9-70-g003.jpg
F3
Computed tomography and positron emission tomographyscans showed a well-demarcated tumor margin with no bone involvement confined to the tensor fasciae latae muscle (Fig. 3 and Fig. 4).
Intraoperative photograph of resected tumor tissue.
JOCR-9-70-g005.jpg
PMC6588138_01_JOCR-9-70-g005.jpg
F5
After all standard pre-operativeevaluation and preparation, the tumor was successfully resected (Fig. 5 and Fig. 6), followed by additional post-operativemedical treatments of pain management, infection prevention, diet modifications, and other conventional rehabilitation procedures.
(a and b) Histology findings of the intramuscular diffuse-type giant cell tumor.
JOCR-9-70-g007.jpg
PMC6588138_01_JOCR-9-70-g007.jpg
F7
In accordance with clinical history, the tumor conforms to giant cell carcinoma of ST.(Fig. 7a and Fig. 7b) Ck(-), Vimt (+), S100(-), smooth muscle actin (SMA) (+), desmin (-), CD34 (blood vessel+), CD88(increase+), ki-67(about 50%+).