Özet:

The risk of tumours including pheochromocytoma and gastrointestinal stromal tumour (GIST) has been reported to be higher in neurofibromatosis type 1 (NF1) patients.The co-occurrence of pheochromocytoma and GIST among NF1 patients is rare. In this case report, we describe the case of a sixty-five-year- old woman who presented with abdominal pain. CT imaging revealed two abdominal masses. The patient underwent surgical treatment with no complications and after one year remains in oncological remission. The pheochromocytoma and GIST tumours were diagnosed based on pathology. Here, we discuss the rare association of pheochromocytoma and GIST and the asymptomatic presentation of those tumours in an NF1 patient. We further suggest that in NF1 patients a high level of vigilance can help making early diagnosis.

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