Archive of Oncology 2008 Volume 16, Issue 3-4, Pages: 81-83
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Acanthosis nigricans and the sign of leser-trelat associated with primary brain tumor: Case report

Stojanović Slobodan, Jeremić Pavle, Poljački Mirjana

The authors present a case of a female patient a 26-year old pensioner from Zmajevo, who developed skin changes in the neck region, armpits and groins, as well as in submammal folds during the 10 years period. The changes include dark-brown hyper­pigmentation associated with sudden eruption of a large number of benign skin tumors and dark-brown seborrheic keratosis on trunk and extremities. In 1998, after magnetic resonance imaging, primary brain tumor of astrocytoma type with low grade of malignity was discovered in thalamus region. The patient developed the above-mentioned skin changes since then. According to neurosurgical findings, the brain tumor is inoperable, so skin changes are persistent and stationary. Clinical changes correspond to paraneoplastic form of acanthosis nigricans. Numerous skin tumors histopathologically match seborrheic keratosis and reveal the clinical features of the sign of Leser-Trelat. It is interesting that in the same patient there are both, obligatory and optional, paraneoplastic dermatoses associated with malignant brain tumor.

Keywords: Acanthosis Nigricans, Brain Neoplasms, Paraneoplastic Syndromes, Keratosis, Seborrheic

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