title: The unusual nested carcinoma of the renal pelvis.
abstract: Invasive urothelial carcinoma has a potential to show divergent differentiation. Several uncommon morphological variants have been described in the recent past. One such rare type is the nested variant of urothelial carcinoma. Most of the published reports depict occurrence of this variant in the urinary bladder. We report an unusual presentation of this uncommon entity in the renal pelvis of a 54-year-old lady who presented with widespread skeletal metastases without any urinary symptoms.
authors: Department of Pathology, Lady Hardinge Medical College, New Delhi, India.
authors: Kiran
authors: K
authors: Agarwal
authors: Neha Kawatra
authors: NK
authors: Madan
authors: Meenu
authors: M
authors: Pujani
authors: Meenakshi
authors: M
authors: Rao
keywords: Metastases; nested variant; renal pelvis