Malignant melanoma of the conjunctiva

One hundred thirty-one cases of conjunctival melanoma in which biopsies had been performed were studied to determine potential factors that might affect outcome in patients with these lesions. Two greups of lesions were identified: those associated with primary acquired melanosis (melanoma with PAM,...

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Veröffentlicht in:Human pathology 1985-02, Vol.16 (2), p.136-143
Hauptverfasser: Folberg, Robert, McLean, Ian W., Zimmerman, Lorenz E.
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creator Folberg, Robert
McLean, Ian W.
Zimmerman, Lorenz E.
description One hundred thirty-one cases of conjunctival melanoma in which biopsies had been performed were studied to determine potential factors that might affect outcome in patients with these lesions. Two greups of lesions were identified: those associated with primary acquired melanosis (melanoma with PAM, 98 cases, 74.8 per cent) and those without primary acquired melanosis (melanoma without PAM, 33 cases, 25.2 per cent). The overall mortality rate in the 131 cases was 26 per cent (34 of 131); the mortality rate due to melanoma with PAM was 25.5 per cent (25 of 98), and that due to melanoma without PAM was 27.3 per cent (9 of 33). If PAM was associated with the lesion, the presence of atypical melanocytes within the epithelium (pagetoid invasion) was a sensitive indicator of subsequent metastasis. Tumor thickness may also be useful for predicting subsequent metastases. None of the histologic parameters studied proved useful for predicting outcome in patients who had melanomas without PAM. The presence or absence of nevi had no effect on prognosis.
doi_str_mv 10.1016/S0046-8177(85)80062-9
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Two greups of lesions were identified: those associated with primary acquired melanosis (melanoma with PAM, 98 cases, 74.8 per cent) and those without primary acquired melanosis (melanoma without PAM, 33 cases, 25.2 per cent). The overall mortality rate in the 131 cases was 26 per cent (34 of 131); the mortality rate due to melanoma with PAM was 25.5 per cent (25 of 98), and that due to melanoma without PAM was 27.3 per cent (9 of 33). If PAM was associated with the lesion, the presence of atypical melanocytes within the epithelium (pagetoid invasion) was a sensitive indicator of subsequent metastasis. Tumor thickness may also be useful for predicting subsequent metastases. None of the histologic parameters studied proved useful for predicting outcome in patients who had melanomas without PAM. 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subjects Adolescent
Adult
Aged
Biological and medical sciences
Biopsy
Conjunctiva - pathology
Conjunctival Diseases - pathology
Conjunctival Neoplasms - mortality
Conjunctival Neoplasms - pathology
Conjunctival Neoplasms - surgery
Female
Follow-Up Studies
Humans
Male
Medical sciences
Melanoma - mortality
Melanoma - pathology
Melanoma - surgery
Melanosis - pathology
Middle Aged
Neoplasm Metastasis
Neoplasm Recurrence, Local
Ophthalmology
Prognosis
Time Factors
Tumors and pseudotumors of the eye, orbit, eyelid, lacrimal apparatus
title Malignant melanoma of the conjunctiva
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