Table 1.
Reported cases of tumor with shadow cell differentiation (except for primary cutaneous & odontogenic tumors, craniopharyngioma and teratoma/dermoid cyst)
| Primary site | Age/Sex | Histological type* | Authors [ref.] | Year |
|---|---|---|---|---|
| Ovary | 48/F | ASC | Fang et al. [8] | 1996 |
| 31/F | endometrioid AC (skin metastasis) | Lalich et al. [9] | 2010 | |
| Uterus | 40/F | AC with squamous differentiation | Zamecnik et al. [10] | 1995 |
| 53/F | “ | “ | ||
| 46/F | “ | “ | ||
| 27/F | AH with squamous metaplasia | “ | ||
| Colon | 63/M | AC with squamous differentiation | “ | |
| 58/M | ASC | “ | ||
| 65/M | AC with squamous metaplasia | Nakayama et al. [11] | 1997 | |
| Lung | 76/M | SCC | Garcia-Escudero et al. [12] | 2002 |
| Gallbladder | 67/F | small cell carcinoma | Zamecnik et al. [13] | 1998 |
| Bladder | 75/M | UC with squamous metaplasia | Zamecnik et al. [14] | 1996 |
| 72/M | UC with squamous differentiation | Nakamura (present case) | 2012 |
*
AC: adenocarcinoma, ASC: adenosquamous carcinoma, AH: adenomatous hyperplasia, SCC: squamous cell carcinoma, UC: urothelial carcinoma.