Cyst
Abnormal fluid-fillled space (lined with epithelial cells) - cf pseudocyst (filled with granulation tisse - pancreatic)
Pathological process involved
- Congenital
- Thyroglossal
- Branchial
- Biliary
- Polycystic kidney disease
- Inflammation
- Infection - ameoba, cysticercosis, hydatid
- Obstruction - spermatocoele, meiboniam cyst, epipdydimal
- Degeneration
- Bone - osteoarthritis
- Cerebral cysts post infarction
- Implantation
- Epidermal / dermal
- Hyperplasia
- Breast cysts
- Neoplastic
- Ovarian cysts
- Cystic neoplasms of the pancreas