Medullary carcinoma

Medullary carcinoma may refer to one of several different tumors of epithelial origin. As the term "medulla" is a generic anatomic descriptor for the mid-layer of various organ tissues, a medullary tumor usually arises from the "mid-layer tissues" of the relevant organ.

Medullary carcinoma most commonly refers to:
 * Medullary thyroid cancer
 * Medullary breast carcinoma

Medullary carcinoma may also refer to tumors of the:
 * Ampulla of Vater
 * Gallbladder
 * Kidney (Renal medullary carcinoma)
 * Large intestine
 * Pancreas
 * Stomach