case_images: PMC5097801_01
case_images: Soft tissue mass in the right hand. The mass was located in the first intercarpal space, with the overlying skin showing discoloration.
case_images: CRIOR2016-1472932.001.jpg
case_images: PMC5097801_01_CRIOR2016-1472932.001.jpg
case_images: fig1
case_images: Although no pain was associated with the mass, the patient experienced sensory disturbance of the right thumb (Figure 1).
case_images: (a) T1 weighted, (b) T2 weighted, and (c) enhanced MRI images of the right hand suggested a malignant neoplasm. (d) MRI and (e) CT of the sacrum showed a lytic and sclerotic lesion, which was regarded as a prostate cancer metastasis.
case_images: CRIOR2016-1472932.002.jpg
case_images: PMC5097801_01_CRIOR2016-1472932.002.jpg
case_images: fig2
case_images: The mass was adjacent to the first metacarpal bone (Figure 2).
case_images: Staining with (a) hematoxylin and eosin (x20), (b) CAM5.2, (c) vimentin, (d) prostate specific acid phosphatase, and (e) androgen receptor showed small-sized but pleomorphic anaplastic tumor cells. (f) Reticulin silver impregnation showed epithelioid-like structures, indicative of carcinoma (bar: 100 mum).
case_images: CRIOR2016-1472932.003.jpg
case_images: PMC5097801_01_CRIOR2016-1472932.003.jpg
case_images: fig3
case_images: The patient was therefore diagnosed with metastatic prostate cancer (Figure 3).
case_images: Postoperative appearance of the right hand. The patient used the pollicized thumb for activities of daily living, such as writing.
case_images: CRIOR2016-1472932.004.jpg
case_images: PMC5097801_01_CRIOR2016-1472932.004.jpg
case_images: fig4
case_images: The patient was able to use the pollicized thumb for activities of daily living, such as writing, six months after the operation (Figure 4).