A study of the epidemiologic distribution of renal tumors in Tirupati, Andhra Pradesh
N Bayapa Reddy1, K Narayana Reddy2, Pallavi Madithati3, N Nagarjuna Reddy4, C Sainarasimha Reddy4, RK Singh1
1 Department of Community Medicine, Chennai Medical College Hospital and Research Centre, Irungalur, Trichy, India
2 Department of Pathology, Chennai Medical College Hospital and Research Centre, Irungalur, Trichy, India
3 Department of Biochemistry, Sri Venkateswara Institute of Medical Sciences, Tirupati, Andhra Pradesh, India
4 Department of Pediatrics, Kanchi Kamakoti Child Trust Hospital, Nungambakkam, Chennai, Tamil Nadu, India
N Bayapa Reddy
Department of Community Medicine, Chennai Medical College Hospital and Research Centre, Irungalur, Trichy - 621105,Tamil Nadu
Source of Support: None, Conflict of Interest: None
Background: The introduction of nephrectomy and other subsequent surgical interventions for renal diseases provided the clinical information and histopathological insight that form the basis of current concepts of renal tumors.
Materials and Methods: A sixteen years retrospective record analysis study on kidney tumors was conducted during the period of October 2010 to May 2011. Biopsies registered between Jan 1994 to December 2010 in the Department of Pathology, Sri Venkateswara Institute of Medical Sciences, Tirupati were analyzed. A total of 52,339 samples were studied With the Aim to know the epidemiologic distribution of renal tumor cases. The data was statistically analysed by using Microsoft excel.
Results: In the present study Out of the 113 renal neoplastic tumors 106 (93.8%) were malignant tumors and 7(6.19%) were benign. Clear cell variant of renal cell carcinoma (RCC) was most common subtype (90.5%) followed by papillary and collecting duct cell variant (4.7%).
Conclusions: The renal tumors were distributed more common in the males in the sixth followed by seventh decade of life, and commonly on right kidney. Majority of the malignant renal tumors were primary type, most common presentation was hematuria followed by flank pain.