Author/Editor		Zemljič, Eva; Čokolič, Miro
Title		Redek vzrok Cushingovega sindroma
Translated title		Rare cause of Cushing's syndrome
Type		članek
Source		Med Razgl
Vol. and No.		Letnik 41, št. 1
Publication year		2002
Volume		str. 83-8
Language		slo
Abstract		Cushing's'syndrome is the term used to describe clinical symptoms and signs related to an increased concentration of glucocarticoids in the body. Cushing's syndrome can be divided into two categories: corticotropin-dependent Cushing's syndrome; in which abnormally high plasma corticotropin levels stimulate the adrenal cortex to produce excessive amounts of glucocorticoids, and corticotropin-independent Cushng's syndrome, in which excessive production of glucoeorticoids is due to abnormal adrenocortical tissue. In rare cases, the cause of Cushing's syndrome may be an ectopic tumor which secretes corticotropin. The main clinical symptoms of ectopic Cushing's syndrome include high blood pressure, edema, hypokalemia and glucose intolerance. Ectopic corticotropin production is most commonly found in pulmonary small cell carcinoma and rarely in careinoid tumors, islet cell carcinoma of the pancreas, thymoma and medullary thyroid carcinoma. Treatment of ectopic Cushng's syndrome is initially symptomatic; when the cause of the syndrome has been established, it can be etiologic.
Summary		Cushingov sindrom je skupek kliničnih znakov in simptomov, ki so posledica povišanih količin glukokortikoidov v telesu. Delimo ga lahko v dve veliki skupini: prvo, kjer visoke vrednosti kortikotropina vzpodbudijo skorjo nadledvične žleze k povečani tvorbi glukokortikoidov (od kortikotropina odvisni Cushingov sindrom), in drugo, kjer je Cushingov sindrom posledica povečanega izločanja glukokortikoidov iz bolezensko spremenjene nadledvične žleze (od kortikotropina neodvisni Cushingov sindrom). Redek vzrok Cushingovega sindroma je ektopični tumor, ki povečano izloča kortikotropin. V klinični sliki ektopičnega Cushingovega sindroma prevladuje povišan krvni tlak, edemi, hipokalijemija in intoleranca za glukozo. Najpogosteje je povezan z drobnoceličnim karcinomom pljuč; redkeje s karcinoidi, tumorji trebušne slinavke, tumorji timusa ali medularnimi karcinomi ščitnice. Zdravljenje ektopičnega Cushingovega sindroma je, dokler ne odkrijemo vzroka, simptomatsko, ko je vzrok znan, pa vzročno.
Descriptors		CUSHING'S SYNDROME ACTH SYNDROME, ECTOPIC ADULT