Histopathological pattern of renal tumours seen in Usmanu Danfodiyo University Teaching Hospital Sokoto, Nigeria

Aim: Malignant renal tumour is a relatively rare type of cancer that occurs third in urological tumours after prostate and bladder cancers. Little is known in the literatures about its existence in Sokoto which prompted this research. This study was carried out to determine the prevalence and histopathological pattern of malignant renal tumours in Sokoto, Nigeria.

Methods: A total of 11,554 H&E stained sections were reviewed from 2001 to 2012. Patient’s data such as age and sex were analyzed from 36 samples which were confirmed for renal tumours.

Result: Nephroblastoma has the highest occurrence in malignant cases (48.4%) followed by renal cell carcinoma (41.9%) and transitional cell carcinoma (9.68%). It was observed that nephroblastoma (15 cases) was most prevalent in the 0-7 year age group showing it is a childhood tumour, while the other ones occurred mostly in the adults.

Conclusion: Nephroblastoma has the highest occurrence in malignant renal cases in Sokoto, Nigeria.