Table 1

Histological and immunohistochemical features of the tumors included in this study

TumorKITaPKC-θ
GIST (n = 26)
 Esophagus++
 Stomach (n = 14)++
 Small intestine (n = 7)++
 Peritoneum++
 Retroperitoneum++
 Peritoneum metastasis++
 Liver metastasis++
Soft tissue sarcomas (n = 12)
 Leiomyosarcoma (n = 4)
 Leio-rhabdomyosarcoma
 Endometrial stromal sarcoma
 Alveolar rhabdomyosarcoma
 Rhabdoid tumor
 Dermatofibrosarcoma protuberans
 Malignant fibrous histiocytoma
 Malignant schwannoma
 Angiosarcoma
Other tumors (n = 35)
 Adenocarcinomab (n = 10)
 Squamous cell carcinomac (n = 7)
 Oat cell carcinoma (n = 2)+
 Melanoma (n = 5)+
 Seminoma (n = 4)+
 Ewing sarcoma+
 Leiomyoma (n = 3)
 Neurofibroma
 Schwanoma
 Fibroma
  • a KIT, c-kit receptor tyrosine kinase; PKC-θ, protein kinase C θ; GIST, gastrointestinal stromal tumor.

  • b Four colon, 3 stomach, 1 pancreas, 2 lung.

  • c Four lung, 2 larynx, 1 vulva.