What's the difference between birthmark and naevus?

Birthmark


Definition:

  • (n.) Some peculiar mark or blemish on the body at birth.

Example Sentences:

  • (1) Most hemangiomas are small, harmless birthmarks that appear soon after birth, proliferate for 8 to 18 months, and then slowly regress over the next 5 to 8 years, leaving normal or slightly blemished skin.
  • (2) We examined all babies born live (4346) at two Finnish hospitals in the course of one year to determine the frequency of birthmarks, specially pigmented lesions, among Finnish newborns.
  • (3) Birthmarks came out in 1988, when he was 31, The Lost Leader not till 2008, when he had been diagnosed with motor neurone disease, and knew he did not have long to live.
  • (4) The sense of an inescapable history that is a keynote of Birthmarks permeates much of the later collection to savage or tragic or absurd effect.
  • (5) Thermal profiles of ectatic capillaries, modelled on those found in port wine stain birthmarks, are calculated by a method of finite differences.
  • (6) A naevus is a, 'birthmark; a circumscribed malformation of the skin, especially if coloured by hyperpigmentation or increased vascularity; it may be predominantly epidermal, adnexal, melanocytic, vascular, or mesodermal, or a localised overgrowth of melanin-forming cells arising in the skin early in life.'
  • (7) Most vascular birthmarks can be categorized, based on clinical and cellular criteria, as either (1) a hemangioma, or (2) a malformation, or (3) a macular stain.
  • (8) The satisfactory results obtained by laser treatment have increased the number of patients seeking consultation regarding their birthmarks.
  • (9) One or two peevish voices thought Imlah too clever, too dustily "Oxonian", failing to see how mordantly modern many of the fables and instances in Birthmarks are, within their formal virtuosity and confidently literary bearing.
  • (10) Pictures of a half-naked four-year-old boy with a "mark of the devil" birthmark on his chest were published by the Sun on its front page, prompting MPs to complain the article was irresponsible, embarrassing and damaging to the child.
  • (11) The frequencies of the types of birthmarks were: mongolian spots, 81.5%; salmon patches, 22.3%; nevocellular nevi, 2.7%; port-wine stains, 2.1%; strawberry marks, 1.7%; cafĂ© au lait spots, 1.7% (including a case of von Recklinghausen's disease); epidermal and sebaceous nevi, 0.3%; accessory auricles, 0.3%; and smooth muscle hamartomas, 0.2%.
  • (12) An increased risk was found only for birthmarks, and specifically for hemangiomas, for children with parents exposed to pesticides in the floriculture industry.
  • (13) A biologic classification based on clinical behavior and endothelial cell characteristics is used to divide vascular birthmarks into two groups: hemangiomas and vascular malformations.
  • (14) This article reviews the nature of that distress and the stigmatization suffered by patients with disfiguring birthmarks.
  • (15) In 1994 he wrote of this work in progress: "If Birthmarks says, we can only be what we are, this says, we can fail to be even that."
  • (16) All involved complex vascular networks, and about one half of the patients had red or purple birthmarks.
  • (17) In addition to birthmarks, it was determined that 30.3% of the 508 babies examined at one of the two hospitals had toxic erythema of the newborn.
  • (18) 148 neonates had birthmarks which were erythema toxicum (ET) in 103 cases, vascular lesions in 19, pigmented in 8, and miscellaneous lesions in 18.
  • (19) Patients with port-wine stains are now able to receive treatment to improve significantly their birthmark.
  • (20) Within this diagnosis, several authors have reported the simultaneous occurrence of three different birthmarks, viz., a pigmentary nevus, a telangiectatic nevus and a nevus anemicus.

Naevus


Definition:

Example Sentences:

  • (1) Dysplastic naevus syndrome (DNS) is frequently observed in association with familial melanoma and xeroderma pigmentosum (XP), but the role of UV-light in the development of DNS has not been elucidated.
  • (2) This feature can be found in several dermatoses and particularly in lichen striatus and acantholytic linear naevus.
  • (3) Mean naevus numbers were greater in young than in older adults, and in females than in males.
  • (4) The mean total body naevus count was 115 in the cases and 67 in the controls.
  • (5) Analysing the cases according to Clark's levels and Breslow's index, a decrease in the naevus-melanoma association was seen with tumour progression, suggesting that advanced tumours may overgrow pre-existing nevus cells, appearing as de novo melanomas.
  • (6) A bone scan and red blood cell scan in the rare epidermal naevus syndrome, associated with multiple haemangiomas of the bone and hypophosphataemic osteomalacia in a 20-year-old man are reported.
  • (7) The activities of 27 enzymes of carbohydrate metabolism and the proportions of lactate dehydrogenase isoenzymes were determined in epidermis, in superficial epitheliomas and in several solid tumours biopsied from a patient with basal-cell naevus syndrome.
  • (8) One of the causes of twenty nail dystrophy of childhood may be a localized tissue malformation, analogous to inflammatory linear verrucous epidermal naevus.
  • (9) This is particularly true for skin lesions related to the vascular system (e.g., livedo racemosa, spider naevus).
  • (10) Two hundred moles were examined histologically and the degree and type of epidermal change was recorded and correlated with the arrangement, density and type of naevus cells present and with the clinical presentation.
  • (11) The clinical, histological and histogenetic aspects of naevus follicularis keratosus (NFK) ("naevus comedonicus") are reported.
  • (12) Doubt is cast also upon the validity of the concepts of a dysplastic naevus and a dysplastic naevus syndrome.
  • (13) Secondly, a study in Canadian school children revealed significantly higher naevus counts in subjects with numerous or severe episodes of sunburn in the previous 5 years.
  • (14) There is some doubt as to whether naevus pilus is identical with naevus-on-naevus or lentiginous naevus en mottes.
  • (15) An immunohistological evaluation of the diagnosis of naevus-associated melanoma was also performed on the basis of specimens from 89 melanocytic lesions.
  • (16) The case of a 5-month-old black female child with a linear sebaceous naevus syndrome and multiple congenital anomalies is presented.
  • (17) We report on the clinical and pathological features of three patients (two girls and one boy aged 6, 12 and 11 years respectively) from the St Laurentius hospital (Roermond, Netherlands) with melanoma of the skin, in whom the lesions histologically resembled the more frequently occurring spindle and epithelioid cell naevus (SE naevus).
  • (18) The authors report a case of extensive verrucous epidermal naevus of the face in a 15 year old Senegalese boy.
  • (19) The patient had extensive cutaneous naevus involving the left side of the body and consisting of naevus flammeus, hemangioma cavernosum, and naevus verrucosus.
  • (20) The difference in naevus count between the exposed and the protected area was larger in patients than in controls, p less than 0.001.