What's the difference between angioma and nevus?

Angioma


Definition:

  • (n.) A tumor composed chiefly of dilated blood vessels.

Example Sentences:

  • (1) These included 196 sarcomas, 20 carcinomas and 14 angiomas.
  • (2) Regions of interest representing the angioma, perifocal and remote tissues, contralateral mirror regions, and standard brain regions were analyzed.
  • (3) We studied a family in which the proband had an acute chiasmal syndrome secondary to a cavernous angioma of the optic nerve and chiasm.
  • (4) Liquid nitrogen spray followed by light electrodesiccation treatment is helpful in the management of flat warts, small skin tags, seborrheic keratoses, and cherry angiomas.
  • (5) A case of thrombasthenia (Glanzmann) associated with an intracerebral cavernous angioma in a 32-year-old woman is reported.
  • (6) Angiomas, angiofibromas and teratomas, all of them of rare occurrence, are the benign tumours, with the chorioangioma being the best known of them.
  • (7) One patient did not have findings of a chronic hematoma but exhibited only low signal secondary to calcification and a venous angioma.
  • (8) A cavernous angioma of the tentorium cerebelli, first disclosed by perinatal serial ultrasonographic studies, was extirpated totally without remarkable neurological deficit in a neonate.
  • (9) MRI delineated discrete lesions, typical of cavernous angiomas, with a mixed hyperintense, reticulated, central core surrounded by a hypointense rim.
  • (10) The angiomas of the skin may occur in 3 forms: large cavernous angiomas; blood sac looking like a blue rubber nipple, they can be emptied; irregular blue mark, sometimes with puncted blackish spots, they may not blanch on pressure.
  • (11) This assumed pathology is divided half in pancreatic causes (neoplasm, pancreatitis, pseudocysts) and half in hepatobiliary causes (metastatic cancer of the liver, cancer of the hilus, cirrhosis, hydatid cyst, alveolar echinococcosis or angioma).
  • (12) Lesions discovered included retinal angiomas requiring treatment in four family members, one asymptomatic renal cell carcinoma and one asymptomatic pancreatic endocrine tumour.
  • (13) However, a significant difference existed between these two groups in an autoradiographic study: in PSS telangiectases, the average labeling index was 5.9%, whereas in cherry angiomas it was around 0.8%.
  • (14) Four of the angiomas were located in a frontal lobe and three in a cerebellar hemisphere.
  • (15) Histological examination demonstrated the closely apposed vascular channels characteristic of cavernous angiomas.
  • (16) Capillary angiomas are misdiagnosed as cavernous ones, and teleangiectatic nevi as angiomas.
  • (17) We describe a case of a cavernous angioma of the right thalamus, identified by MRI, showing transient vertical diplopia in the upward gaze, present only in protracted recumbency.
  • (18) Macroscopical intraoperative and histopathological findings demonstrated a cavernous angioma.
  • (19) The striking nature of skin angiomas in some patients is illustrated by a mother-daughter pair with innumerable lesions of early onset.
  • (20) This case had an unusual clinical presentation, being responsible for trigeminal neuralgia and associated with an angioma of the soft palate.

Nevus


Definition:

Example Sentences:

  • (1) Furthermore, it involved mixed clinical and histological changes of epidermal nevus from fingers to elbow.
  • (2) This appears to be a newly described entity, although it resembles a Becker's nevus without hypertrichosis or an typical cafĂ© au lait spot.
  • (3) A giant congenital pigmented nevus combining an epidermal and a blue nevus is described in a boy.
  • (4) In view of the difficulties encountered in clinical differential diagnosis, above all with reference to malignant melanoma, nevus lesions should be removed from the oral mucosa.
  • (5) The increase of the relative risk was 16 x for persons with greater than 60 MCN compared to individuals with greater than or equal to 10 MCN and there was an additional 7 x increase of the relative risk for persons with greater than or equal to 1 dysplastic nevus.
  • (6) Binding of monoclonal antibodies secreted by hybridomas generated by immunization of mice with VGP primary and metastatic melanoma was highest with cells and supernatants of cultures from advanced melanoma and least with nevus cells.
  • (7) The clinical and histopathological picture of a 27-year-old patient with generalized nevus verrucosus is described.
  • (8) Kamino's eosinophilic globules could be considered another important sign for the differential diagnosis between pigmented spindle cell nevus and malignant melanoma.
  • (9) An extensive congenital melanocytic nevus is described which, in its deeper portion, had striking neurofibromatous features.
  • (10) The growth of nevus cells is probably comparable to that induced in other cells by traumatic injury.
  • (11) Spherical nevus cells however are completely devoid of dendritic processes.
  • (12) The association between melanoma and giant congenital nevocellular nevus has been well documented, although controversy still exists regarding the precise incidence.
  • (13) Dermal fibroblasts from patients with the autosomal dominant cancer-prone disease Basal Cell Nevus Syndrome (BCNS) exhibit a serum dependence, anchorage dependence and in vitro lifespan (about 20 population doublings or less) similar to those of fibroblasts from normal age-, race- and sex-matched controls.
  • (14) Some of the them have made in possible to localize the gene of the familial cutaneous melanoma with pleomorphic nevus on 1p chromosome.
  • (15) Two lesions occurred in examples of nevus sebaceus of Jaddasohn.
  • (16) Our study shows that HMB-45 also reacts with cells of the blue nevus, a unique type of intradermal nevus.
  • (17) In contrast to the broad reactivity with melanomas, isolated nevus nests were stained in only 1 of 55 nevi investigated.
  • (18) We report on a nevus of the oral mucosa, which became present in the age of 30 of a male patient.
  • (19) Melanoma most often develops in the skin; usually at the site of a preexisting nevus.
  • (20) To our knowledge, this represents the second reported case of marked folding of the skin; with an underlying nevus lipomatosus; this case demonstrated an association of this cutaneous disorder with multiple defects, including chromosomal abnormalities, which have not been previously reported.

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