system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Attacks of flushing and cyanosis occur in which type of ovarian tumors:
assistant
The correct answer is  Carcinoid tumour of Ovary:
• It is sometimes primary and sometimes metastatic.
• Also called Argentaffinoma.
• Occurs as a malignant change in benign dermoid cyst.
• Presence of solid yellow tumour with histological property of reducing silver salts derived from specialized Kulchitsky cells of intestine.
• It produced 5 - HT which causes attacks of flushing and cyanosis.