M

Melanoma

Acral Lentiginous Melanoma (ALM)

Pleural mesothelioma

Malignant pleural mesothelioma

A cancer of the pleural lining, not of the lung tissue itself. Most cases are linked to asbestos, often decades after exposure.

Central nervous system

Medulloblastoma

Medulloblastoma is the most common malignant brain tumour of children and starts in the cerebellum. This entry covers molecular groups, surgery, CSI, and chemotherapy.

Melanoma

Melanoma

Central nervous system

Meningioma

Meningioma is a tumour of the meninges, usually benign and slow-growing. This entry covers incidental findings, WHO grade, and when to operate or watch.

Merkel cell

Merkel cell carcinoma

A rare, fast-growing skin cancer of neuroendocrine cells. It often appears as a painless red or purple nodule on sun-exposed skin of older adults.

Plasma-cell neoplasms

Multiple myeloma

Multiple myeloma is a plasma-cell malignancy of the bone marrow. This entry covers CRAB features, IMWG diagnosis, and modern drug combinations.

Cutaneous lymphomas

Mycosis fungoides

The most common cutaneous T-cell lymphoma. Despite the name, it is not a fungal infection. It often starts as patches that look like eczema or psoriasis.

Chronic myeloid & MDS

MDS

Myelodysplastic syndromes (MDS) are clonal marrow disorders with ineffective blood production. This entry covers risk scores, transfusions, and transplant.