There are numerous rare types of cancer, which are classified as rare cancers, and they are referred to by their medical names. Some of the most common types of rare cancers are neuroendocrine tumors (NETs), adrenocortical carcinoma, angiosarcoma, atypical teratoid/rhabdoid tumor, Burkitt lymphoma, desmoplastic small round cell tumor, diffuse intrinsic pontine glioma, epithelioid sarcoma, Ewing sarcoma, extraskeletal myxoid chondrosarcoma, gastrointestinal stromal tumor (GIST), hepatoblastoma, intraocular melanoma, Kaposi sarcoma, malignant peripheral nerve sheath tumor, mesothelioma, myoepithelial carcinoma, nasopharyngeal carcinoma, periventricular primitive neuroectodermal tumor, primitive neuroectodermal tumor, rhabdomyosarcoma, and synovial sarcoma.
While some of these rare cancers may have different names depending on the type and location of the tumor, they are all linked by the fact that they are rare and have a low incidence rate. As such, they often require specialized treatment and can be difficult to diagnose. In addition, there is often limited information available about these rare types of cancer, which can make it challenging for researchers and doctors to develop effective treatment plans.