histiocytic disorders, malignant |
Distinctive neoplastic disorders of histiocytes. Included are acute monocytic leukaemias, malignant histiocytosis (histiocytosis, malignant), and true histiocytic lymphomas.
(12 Dec 1998) |
histiocytosis, malignant |
A rare, usually rapidly progressive disorder, characterised by abrupt onset, fever, weight loss, hepato-splenomegaly, pancytopenia, and lymphadenopathy.
(12 Dec 1998) |
hypertension, malignant |
Severe hypertension characterised by papilledema and necrosis of small arteries and arterioles. The diastolic pressure is generally greater than 130 mm hg.
(12 Dec 1998) |
neuroleptic malignant syndrome |
<syndrome> This describes the combination of catatonic rigidity, stupor, unstable blood pressure, fever, profuse sweating, sweating and incontinence as a reaction to antipsychotic agents (phenothiazines) in therapeutic doses.
Origin: Gr. Lepsis = a taking hold
(27 Sep 1997) |
desmoplastic malignant melanoma |
<tumour> A melanoma with marked fibrosis surrounding atypical spindle-shaped melanocytes in the dermis.
(05 Mar 2000) |
low malignant potential tumour |
A neoplasm of the ovary, usually arising in young women, composed of complex epithelial hyperplasia without stromas invasion; may recur if incompletely removed surgically, but is clinically less aggressive than carcinoma.
Synonym: low malignant potential tumour.
(05 Mar 2000) |