(medicine) Any of a group of fatal inherited metabolic disorders associated with sphingomyelin accumulation in the central nervous system.

(medicine) polyostotic sclerosing histiocytosis, a rare disease characterized by the abnormal multiplication of histiocytes.

(medicine) A relatively benign disease, characterized by swollen lymph nodes, caused by the bacterium Bartonella henselae normally carried by the cat flea Ctenocephalides felis

a tick-borne viral hemorrhagic fever endemic to South Asia.

A neurological disease with paralysis and dementia, associated with the US territory of Guam.

gout

familial benign pemphigus, a genetic disorder that causes blisters on the skin

(medicine, dated) Langerhans cell histiocytosis

(medicine) dysplastic gangliocytoma of the cerebellum

Gorham's disease