Cutaneous metastasis of neuroendocrine carcinoma of the larynx: report of a case.
J Cutan Pathol
; 30(8): 512-5, 2003 Sep.
Article
em En
| MEDLINE
| ID: mdl-12950503
ABSTRACT
BACKGROUND:
Cutaneous metastasis from neuroendocrine carcinomas of visceral origin is rarely described in indexed literature. The primary sites of origin include lung (Wick et al., J Am Acad Dermatol 1985; 13 134), larynx (Zambruno et al., Ann Dermatol Venereol 1989; 116 855; Schmidt et al., J Laryngol Otol 1994; 108 272; Guerzider et al., Ann Pathol 1991; 11 (4) 253), mediastinum (Yoshimasu et al., J Dermatol 2001; 28 (3) 168), uterus (Fogaca et al., J Cutan Pathol 1993; 20 455), and thymus (Wick et al., J Am Acad Dermatol 1985; 13 134).METHODS:
In this report, the authors present the clinical, histological, immunohistochemical, and ultrastructural characteristics of secondary skin localizations of a neuroendocrine laryngeal tumor that occurred in a 61-year-old man. The complete follow up of the case is described and a brief revision of the terminology and classification of neuroendocrine neoplasms of the larynx is discussed, since a significant relationship exists between the degree of differentiation and biological behavior.RESULTS:
On histological examination, the secondary cutaneous localization appeared to be more dedifferentiated compared to the primary tumor. The immunohistochemical patterns of reactivity were similar in both neoplasms, showing expression of neuroendocrine and epithelial markers.CONCLUSIONS:
An important issue of prognostic significance is to differentiate a cutaneous metastasis of a neuroendocrine carcinoma from the primary small cell-undifferentiated carcinoma of the skin (Merkel cell carcinoma).
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Neoplasias Cutâneas
/
Neoplasias Laríngeas
/
Carcinoma Neuroendócrino
Tipo de estudo:
Prognostic_studies
Limite:
Humans
/
Male
/
Middle aged
Idioma:
En
Ano de publicação:
2003
Tipo de documento:
Article