Less common disorders:M
互联网
885
佚名
| DISEASE AND CAUSES | PATHOPHYSIOLOGY | SIGNS AND SYMPTOMS |
| Mastocytosis | ||
|
Proliferation of mast cells systemically and within skin. |
|
| Mastoiditis | ||
|
An inflammation and infection of the air cells of the mastoid antrum. |
|
| Medullary sponge kidney | ||
|
Collecting ducts in the renal pyramids dilate, forming cavities, clefts, and cysts that produce complications of calcium oxylate stones and infections. |
|
| Melasma | ||
|
Thought to be due to the effects of estrogen and progesterone on melanin production. |
|
| Mycosis fungoides | ||
|
Rare, chronic malignant T-cell lymphoma originating in the reticuloendothelial system of the skin, and affecting lymph nodes and internal organs. |
|
| Myelodysplastic syndromes | ||
|
Preleukemic disorders that progress to leukemia |
|
| Myocarditis | ||
|
Initial infection triggers an autoimmune, cellular, and possibly humoral response resulting in myocardial inflammation and necrosis. |
|
