pleomorphic


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

ple·o·mor·phic

(plē'ō-mōr'fik),
1. Synonym(s): polymorphic
2. Among fungi, having two or more spore forms; also used to describe a sterile mutant dermatophyte resulting from degenerative changes in culture.

pleomorphic

adjective Referring to a variable appearance or morphology.

pleomorphic

adjective Referring to a variable appearance or morphology

ple·o·mor·phic

(plē'ō-mōr'fik)
1. Synonym(s): polymorphic.
2. Among fungi, having two or more spore forms; also used to describe a sterile mutant dermatophyte resulting from degenerative changes in culture.
3. Among bacteria, not uniform in shape and size when viewed microscopically.

pleomorphic

(of cells) having several shapes.
References in periodicals archive ?
Pleomorphic adenomas of the minor salivary glands, like those on the palate, buccal mucosa or lip, sometimes lack encapsulations and may mix into normal host tissue as tumor growth; hence a wide excision is necessary even if previous biopsies report benign nature.
MFHs are high-grade pleomorphic sarcomas found in adults.[sup.3] The primary renal MFHs are biologically aggressive and poor prognostic malignant neoplasms.
The majority of benign tumours of the parotid gland are of epithelial origin and pleomorphic adenoma is the commonest tumour.
Lymphovascular Invasion.--Lymphovascular invasion is nearly always diagnostic of malignancy in salivary gland tumors (metastasizing pleomorphic adenoma being the obvious exception).
[7] In our study most common benign tumour pleomorphic adenoma accounting for 59.64% cases, and maximum number of cases were seen in 5th to 7th decade, followed by Warthin's tumour which accounted for 20 (17.54%) cases, 16 out of 20 were in parotid gland and the remaining 4 cases were seen in submandibular gland.
Myxoid and pleomorphic liposarcomas have a moderate to very inhomogenous appearance on CT and MRI, containing areas of necrosis, and enhancement is irregular.
Carcinoma ex Pleomorphic Adenoma histopathology the gold standard.
Pilocytic astrocytomas (WHO Grade-I) and Pleomorphic Xanthoastrocytomas (PXA) (WHO Grade-II) are pediatric neoplasms which are relatively circumscribed, offering the possibility of cure following complete resection.10-13
Fine needle aspiration (FNA) of the left parotid mass was performed to support the clinical impression of a pleomorphic adenoma.
A histopathological examination of the endoscopic biopsies revealed infiltration of neoplastic cells with eosinophilic macronuclei and pleomorphic islands.
The hematoxylin and eosin staining revealed the presence of two cellular populations including spindle fibroblast-like and pleomorphic cells within the tumor.
The most common diagnosis was undifferentiated pleomorphic sarcoma (n = 8, 23.5%) followed by liposarcoma (n = 6, 17.6%) and leiomyosarcoma (n = 5, 14.7%).