Lump in the Breast Papillomas
The areola is the red-brown skin that surrounds the nipple. A papilloma is an overgrowth of milk duct cells, which form a lump under the areola. A papilloma may cause a clear or bloody fluid to leak from the nipple. Papillomas do not cause cancer.
Continue to Lump in the Breast Anatomy
- Dehner LP, Hill DA, Deschryver K: Pathology of the breast in children, adolescents, and young adults. Semin Diagn Pathol 1999 Aug; 16(3): 235-47. 
- Greydanus DE, Parks DS, Farrell EG: Breast disorders in children and adolescents. Pediatr Clin North Am 1989 Jun; 36(3): 601-38. 
- Norlock FE: Benign breast pain in women: a practical approach to evaluation and treatment. J Am Med Womens Assoc 2002 Spring; 57(2): 85-90.