Dr Mahesh has a clinical interest in dyspepsia (gastric and duodenal ulcer, reflux), Barrett's oesophagus, irritable bowel syndrome (IBS), chronic abdominal pain, inflammatory bowel disease (IBD), Crohn's and colitis, gastrointestinal cancer, diagnostic and therapeutic endoscopy, and malnutrition, including complex gastrointestinal issues, obesity and malabsorption.

Histopathology: specifically in thyroid pathology and cytology, and gastrointestinal pathology • Pathology - cancer, gastric, gastrointestinal, oesophageal, small intestine, colon • Parathyroid gland • Thyroid gland • Adrenal gland I have a particular interest in thyroid pathology and cytology as a member of various UK and international expert groups with a significant number of peer-reviewed publications. Visiting Associate Professor, UCL Cancer Centre, London.