pleomorphism

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Related to Nuclear pleomorphism: hyperchromatism

pleomorphism

 [ple″o-mor´fizm]
the assumption of various distinct forms by a single organism or within a species. adj., adj pleomor´phic, pleomor´phous.

pol·y·mor·phism

(pol'ē-mōr'fizm),
Occurrence in more than one form; existence in the same species or other natural group of more than one morphologic type.
Synonym(s): pleomorphism

pleomorphism

/pleo·mor·phism/ (-mor´fizm) the occurrence of various distinct forms by a single organism or within a species.pleomor´phicpleomor´phous

pleomorphism

(plē′ə-môr′fĭz′əm)
n.
1. Chemistry See polymorphism.
2. Biology The occurrence of two or more distinct forms, as of an organism during its life cycle or of cells of a certain type.

ple′o·mor′phic adj.

pol·y·mor·phism

(pol'ē-mōr'fizm)
Occurrence in more than one form; existence in the same species or other natural group of more than one morphologic type.
Synonym(s): pleomorphism.

pleomorphism

Taking different physical forms. Also known as polymorphism.

pol·y·mor·phism

(pol'ē-mōr'fizm)
Occurrence in more than one form; existence in same species or other natural group of more than one morphologic type.
Synonym(s): pleomorphism.

pleomorphism (plē´əmôr´fiz´əm),

n the ability to change shape or form.

pleomorphism

having more than one shape or form.
References in periodicals archive ?
1,13) Nuclear pleomorphism, atypical mitotic figures, cytological atypia, and tumour necrosis are seen in leiomyosarcoma, but not in leiomyoma.
Histologic signs of malignancy include increased cellularity, nuclear pleomorphism, cellular atypia, high mitotic counts per power field, haemorrhage and necrosis.
Most of the cells have striking nuclear pleomorphism with bizarre lobated and hyperchromatic nuclei containing multiple large prominent nucleoli.
Our patient had a known history of OFMT that was labeled as an atypical/malignant variant because of the high cellularity and nuclear pleomorphism it displayed.
Tumour cells generally showed moderate nuclear pleomorphism, inconspicuous to multiple prominent small nucleoli, coarse and clumped chromatin, and moderate cytoplasm.
Nuclear pleomorphism, an increased number of nuclei, atypical mitotic activity and giant cells were noticed.
On histology, the tumour was composed of irregular vascular channels lined by plump endothelial cells with nuclear pleomorphism and hyperchromasia.
The tumour cells showed clear cytoplasm and mild to moderate nuclear pleomorphism, (Furhman's nuclear grading I/II.
Necrosis, nuclear pleomorphism, high mitotic activity, high Ki-67 index, high nuclear-cytoplasm (N/C) ratio, and hypervascular density should be included in malignant diagnosis.
However, that lesion is a high-grade tumor with nuclear pleomorphism and frequent mitotic figures, which is not the case for LGSSNMF.
WDSCC showed abundant intercellular bridging, cytoplasmic keratinisation and keratin pearls, nuclear pleomorphism was minimal and mitotic figures were <2/hpf.