| 1403 | 小腸粘膜下腫瘍 | 沖田千佳先生 | （倉敷中央病院） | |
| * | Clear cell sarcoma-like tumor of gastrointestinal tract | 6 |
| S100(++), AE1/3(+), EMA(±), CGA(-), Synaptophysin(+), CD56(+), HMB45(-), melanA(-), CD99(±) | |
| 単発の腫瘍で，術後3ヶ月再発なし | |
| Malignant gastrointestinal neuroenctodermal tumor | 3 |
| Gastrointestinal stromal tumor (GIST) | 7 |
| epithelioid type, associated with Meckel's diverticulum | 1 |
| Leiomyosarcoma | 2 |
| Follicular dendritic cell sarcoma | 2 |
| Synovial sarcoma | 1 |
| Histiocytic sarcoma | 1 |
| Epitheliid hemangioendothelioma | 1 |
| Neuroendocrine tumor | 1 |
| Gangliocytic paraganglioma | 1 |
| Leiomyoma | 1 |
| Metastasis of melanoma | 1 |
| |
| 1404 | 左乳腺腫瘍 | 物部泰昌先生 | （川崎医大附属川崎病院） | |
| Metaplastic carcinoma | 14 |
| Fibromatosis-like metaplastic carcinoma | 3 |
| Metaplastic carcinoma, fibromatosis-like | 1 |
| Spindle cell carcinoma | 3 |
| * (Metaplastic ) spindle cell carcinoma | |
| PAS(-), AB(-), Ki-67: 26%, AE1/3(+), 34ΒE12(+), CK14(+), CK5/6(+), c-kit(-), vimentin(+), αSMA(+), CD10(+), p63(+) | |
| β-catenin(±), CD34・bcl2・E-cadherin・ER・PgR・HER2いずれも(-) | |
| Low-grade fibromatosis-like spindle cell carcinoma | 1 |
| Sarcomatoid carcinoma | 1 |
| Myofibroblastoma | 4 |
| Myoepithelial carcinoma | 2 |
| Stromal sarcoma | 2 |
| Phyllodes tumor, malignant | 1 |
| Angiomyolipoma | 1 |
| Solitary fibrous tumor | 1 |
| Fibromatosis | 1 |
| Desmoid | 1 |
| Sarcoma | 1 |
| |
| 1405 | 左腋窩腫瘤 | 黒田直人先生 | （高知赤十字病院） | |
| Fibroadenoma | 21 |
| * arising in ectopic mammary gland | |
| 病巣辺縁部に非腫瘍乳腺成分あり | |
| arising in accessory mannmary gland | 10 |
| juvenile type | 1 |
| Phyllodes tumor | 2 |
| Accessory breast | 2 |
| Accessory mammary gland with focal phyllodes tumor-like features | 1 |
| Brest duct ectopia | 1 |
| Mixed tumor | 1 |
| |
| 1406 | 左環指軟部腫瘍 | 柳井広之先生 | （岡山大学病院） | |
| Tenosynovial giant cell tumor | 12 |
| Giant cell tumor of tendon sheath | 8 |
| localized | 2 |
| Calcifying aponeurotic fibroma | 3 |
| Low-grade fibromyxoid sarcoma | 2 |
| * | Mixed tumor | 1 |
| CD68(-), S100(++〜+), αSMA(+), AE1/3(++), CAM5.2(++), calponin(±) AJSP 27; 1183-, 2003. | |
| Cutaneous myoepithelioma | 1 |
| Hybrid retucular schwannoma/perineurioma | 1 |
| Myofibroblastoma | 1 |
| Plexiform fibrohistiocytic tumor | 1 |
| Giant cell angiofibroma | 1 |
| Fibromatosis | 1 |
| Chondroblastoma | 1 |
| Acral fibromyxoma | 1 |
| Solitary fibrous tumor | 1 |
| Nodular fasciitis | 1 |
| |
| 1407 | 左鎖骨上窩腫瘍 | 伏見聡一郎先生 | （姫路赤十字病院） | |
| Metastasis of sex-cord tumor | 7 |
| * Adult granulosa cell tumor | |
| CAM5.2(+), inhibinα(+), CD56(+), FOXL2(+), AE1/3・EMA・CEA・TTF-1・thyroglobulin・CGAいずれも(-)
NEJM 360; 2719-, 2009 | |
| Sex-cord tumor with annular tubules | 2 |
| Ovarian sex cord-stromal tumor | 1 |
| Metastasis of thyroid tumor | 10 |
| Medullary carcinoma | 4 |
| Papillary carcinoma | 4 |
| Poorly differentiated | 1 |
| Mixed medullary and follicular carcinoma | 1 |
| Adenoid cystic carcinoma | 3 |
| and cylindroma | 1 |
| Basal cell adenocarcinoma | 2 |
| Cylindroma | 1 |
| Metastatic cancer/cacinoma/tumor | 5 |