University:
Coventry University
Course:
B940 | Biomedical Science
Academic year:

2023
Views:

261

Pages:

3
Author:

Badusha S.

TUMORS OF THE EAR Tumors of EAC Excostasis MC Benign sumar of the er extemal ear. (reen as Multifle also called ad SUR, SURFER'S ear (лисань it is rien usually in surfer's. Thes are present as wony outgroeith cles in the EAC, near 10 the TM ( More Medical to the TM) (Multiple bony outgrowth) These kind of profections are also present in seals SEAC'S. (ushich go dep under water) This is a a phryvalogical pronomenon the ear is protected from told where tald water so thar caloric stimulation does not takes place. Thus, in surfer's, swimmer, diver also this can raffren Casa Natural phenomenon) Mgt: If it clau nat cause any fredelem, then we lecture it by itself, but if ia llach to cellection of clelerin, callection of wax etc me go for Exciting the Tumor -lly chrilling. OSTEOMA - It is also Benign, presents. as singer sony mars, more lateral to the sympanic momeeráme in FAC. Mat Left untricated, if it does not come frabilem of prelilem Excine. Mangala Tumars of middle ear. GLOMUS * Meest common Benign tumor of the middle ear. * These are paragangliomas f-paraganglion ahi dally -ics cell are the well that de origincus gram Neural crest ang decond decend along The Nerues and wissels. This currelles there is lat cef vessels anch venus in bocly, there can be crlomus. (Nat only lar on the middle ear. It * can be in areas of rich veru plexли thus, Paragangliomas in ME alomus Tympanicum Con the fromontory in the Tympanic flexus) Me lanign sumas of MEM arlomus auglare. (Ait clades not primi - ly cerise from midd from floor ie oul the site of Juglan Bull chire, also thee. Is mereu flexus) Tus ist tincat fsimonyly a CA Primcithily a Middle ean Timon Mangala in around 10%. Paragangliomas ↓ are multicentric fie if it occurs in one rise then chances are that it com. at ather rits as well. happen sides att in head of Neck an ① alomus sympanicum (Tympanum) @creamus angular. (Cost sugulas deuly) ③ creamus vagale (carotid streeth) sheath) ⑨ creams Nocly Tumor (at the sire cef cant capatid enfuscation Phleochromocytoma is also a paraganglioma →charecteristics of paraganglioma are shey secrete catachalamines which will саши Hypotension in the body This we have to see if the glomus is lomone recreted as nat, cethemise on creneral amexthic when we operate the patient, if it is a homone secreting tumcer, then the patient cuill go to Hypertensive crisis. some Test for catecolamines. ① 24 hours urine sest of urinary UMA -chromaffin/non chramaffim (catecholamins tam with chicomium salt-thus que called the the tumors which rechere are called chromatin mcert commonly Head f Neck alomus Non chromaffein are Mangala