Description
		
The specimen consists of the greater part of the colon; the wall is markedly thickened and the 
mucosa shows a characteristic "cobblestone" pattern. 
		 History
		
 This young woman presented in her mid-twenties with diarrhoea which had been present 
for eighteen months. A diagnosis of Crohn's disease was made; medical treatment failed and total 
proctocolectomy was carried out. She made an excellent recovery and remains well and 
symptom-free.