1971
DOI: 10.1001/archderm.104.2.117
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Pigmented nodular hidradenoma

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Cited by 13 publications
(5 citation statements)
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“…Pigmentation of epithelial neoplasm is well known and the majority of cutaneous tumours can harbour melanin pigment and/or melanocytes 1–8 . Pigmented non‐melanocytic tumours can be either the result of tumour colonization of normal melanocytes, 2,6,8,9 , the product of a neoplastic multidirectional differentiation, 3,10 or the expression of a collision tumour 11 …”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Pigmentation of epithelial neoplasm is well known and the majority of cutaneous tumours can harbour melanin pigment and/or melanocytes 1–8 . Pigmented non‐melanocytic tumours can be either the result of tumour colonization of normal melanocytes, 2,6,8,9 , the product of a neoplastic multidirectional differentiation, 3,10 or the expression of a collision tumour 11 …”
Section: Discussionmentioning
confidence: 99%
“…Pigmented non‐melanocytic tumours are skin lesions characterized by the presence of melanin and/or melanocytes within an epithelial neoplasm. Almost all the commoner epithelial tumours have been reported in their pigmented variant 1–8 . The biological behaviour of pigmented non‐melanocytic tumours is similar to that of their non‐pigmented counterpart 4,5 …”
Section: Introductionmentioning
confidence: 93%
“…The superficial skin may be red, blue, brown, or flesh colored (3,7), and signs of erosion or ulceration are frequently apparent (7,8). Pigmented variants have also been described (9). The mean age of presentation is in the 30s (4), however, cases have been reported in infants as well as the elderly (8).…”
Section: Discussionmentioning
confidence: 99%
“…It is in keeping with this distribution that a few pilomatrixomas contain melanocytes as do some basal cell epitheliomas in contrast they are absent in most adnexal tumours. The occurrence of pigmented nodular hidradenomas is rare but has been observed (Wilson Jones, 1971), indicating that, exceptionally, some sweat gland hamartomas can tolerate an accompanying melanocyte population. It is of interest that Follman (1969) has described deep seated naevi in which he believed the naevus cells had arisen directly from the coiled part of the sweat glands themselves, implying that the glands must have had a preceding ectopic melanocyte population.…”
Section: Histopathologymentioning
confidence: 99%