Malignant PEComa is a very rare type of cancer that arises from special cells called perivascular epithelioid cells. These cells are unusual because they show features of both muscle cells and pigment-producing cells. PEComas belong to a group of tumours known as...
High-Grade Astrocytoma with Piloid Features, also called HGAP, is a rare type of brain tumour. It was recently recognised as a separate tumour in the updated classification of brain tumours by the World Health Organization. Under the microscope, some parts of this...
Mixed Neuroendocrine–Non-Neuroendocrine Neoplasms, commonly known as MiNENs, are rare hybrid tumours that contain two different types of cancer cells within the same tumour. One component is neuroendocrine, and the other is non-neuroendocrine, usually adenocarcinoma...
Primary Tracheal Squamous Cell Carcinoma is a rare cancer that originates in the lining of the trachea, which is the windpipe connecting the throat to the lungs. It is a separate disease from lung squamous cell carcinoma, even though both arise from similar types of...
Primary Malignant Tumours of the Thymic Neuroendocrine type are rare cancers that arise from neuroendocrine cells within the thymus. The thymus is a small organ located in the upper chest behind the breastbone, and it plays an important role in immune system...