logo logo
Search: Organ site Search: Tumor / Syndrome
or
WHO Classification of Tumours
Neuroendocrine tumor G1 (NET G1) / Carcinoid
Kidney


Definition

Carcinoids are well differentiated, epithelial, low-grade malignancy neoplasms of the diffuse endocrine system
Click for details
Ronald A. DeLellis, Ricardo V. Lloyd, Philipp U. Heitz, Charis Eng
World Health Organization Classification of Tumours. Pathology and Genetics of Tumors of Endocrine Organs
IARC Press: Lyon 2004



. They are histologically characterized by cells with histologic, immunohistochemical and ultrastructural evidence of neuroendocrine differentiation.

Primary renal carcinoid is very rare and presents most commonly in the fourth to seventh decades. Tumours present as solitary, circumscribed, solid masses of lobulated, bulging appearance with an occasional cystic component or calcification. Capsular invasion and/or renal vein involvement have been reported

Click for details
Eble JE, Sauter G, Epstein JI, Sesterhenn IA (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Urinary System and Male Genital Organs.
3rd Edition
IARC Press: Lyon 2004



.