PMC6302812_01
(A-D) Abdominal CT revealed a soft tissue nodule measuring 1.3x1.5 cm in the subcutaneous soft tissue of the right abdominal wall and a cystic density mass measuring 9.9x8.7 cm in the peritoneal cavity.
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Abdominal computed tomography (CT) showed a soft tissue nodule measuring 1.3x1.5 cm in the subcutaneous layer of the right abdominal wall and a cystic density mass measuring 9.9x8.7 cm in the peritoneal cavity (Figure 1).
Histological appearance of intra-abdominal desmoplastic small round cell tumor (Hematoxylin and Eosin stain, [A, B] 200x magnification). Immunohistochemistry of desmoplastic small round cell tumor (200x magnification, [C] AE1/AE3, [D] desmin [E]: NSE).
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IADSRCT (Figure 2A and B). Immunohistochemistry findings showed that the tumor cells were positive for AE1/AE3, desmin, NSE, Ck7, CD34, CD99 and partially positive for CD56, GATA3, Syn (Figure 2C-E).
Abdominal CT scans before and after anlotinib therapy.. Notes: (A) Before anlotinib therapy, the CT scan shows the size of the enlarged right inguinal lymph node was 29.3x19.8 mm. (C) After two cycles of anlotinib treatment, the CT scan shows the size of the enlarged right inguinal lymph node was 12.2x10.7 mm. (B) Before anlotinib therapy, the CT scan shows the size of the omental lymph node was 17.8x14.9 mm. (D) After two cycles of anlotinib treatment, the CT scan showed the size of the omental lymph node was 9.9x7.9 mm, respectively.
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The size of the enlarged lymph nodes was 29.3x19.8 mm and 9.5x8.6 mm, respectively (Figure 3A and C). The size of the right inguinal lymph node and omental lymph node were reduced to 17.8x14.9 mm and 8.9x7.9 mm, respectively after two cycles of treatment (Figure 3B and D).