Rare AFP-secreting tumor types include carcinoma in a mixed Müllerian tumor.

Polyembryoma presents an unusual growth pattern and is sometimes listed as a single histologic type, though it might better be regarded as a mixed tumor.

As well as mixed tumors, rarer forms of liver cancer include:

Elements of choriocarcinoma in a mixed testicular tumor have no prognostic importance.

A mixed tumor is a tumor derived from more than one type of tissue.

Additionally, the WHO scheme recognizes mixed tumors with both neuroendocrine and epithelial carcinoma features, such as goblet cell cancer, a rare gastrointestinal tract tumor.

A malignant mixed tumor (also known as a "Malignant chondroid syringoma") is a cutaneous condition characterized by a tumor that favors the trunk and extremities.

Other suggestions included ameloblastoma or a benign salivary mixed tumor (also known as a pleomorphic adenoma).

Refers to a mixed tumor containing both adenocarcinoma and squamous cell carcinoma, wherein each of these cell types comprise at least 10% of the tumor volume.

Kohorn EI, Schwartz PE, Chambers JT, et al.: Adjuvant therapy in mixed mullerian tumors of the uterus.