# Bladder Carcinoma With Solitary Skull Metastasis: A Rare Presentation in a Middle-Aged Female

## TL;DR

A rare case of bladder cancer metastasizing to the skull in a middle-aged woman is reported.

## Contribution

This case highlights an unusual presentation of bladder carcinoma with solitary skull metastasis.

## Key findings

- Bladder carcinoma metastasized to the calvarium before the primary tumor was identified.
- Skull metastasis from bladder cancer is a rare occurrence with few documented cases.

## Abstract

Bladder carcinoma is a common malignant tumor of the urinary system, with the leading cause of death being the metastasis of cancer. It, however, is a rare malignancy in the Indian population with the incidence being higher in males compared to females. The most common sites of metastasis for bladder carcinoma are the peritoneum, liver, lung, pleura, lymph nodes, adrenals, intestine, and kidney. Metastasis to the heart and brain are rare. Only a few cases of bladder cancer metastasizing to the skull have been reported to date. Here in this article, we describe a female patient who presented with metastasis to the calvarium from bladder cancer before the identification of the original tumor.