glomus tympanicum

MRI T1 without contrast

MRI T1 with contrast.
D.D.:

1-GLOMUS TYMPANICUM.----->diffuse intense enhancement.

2-MENINGIOMA.---------------->diffuse intense enhancement.

3-SCHWANOMMA.--------------->heterogenous

4-CHOLESTEYATOMA----------->no enhancement.

reference of images :http://www.google.com.eg/imgres?imgurl=http://www.radiologyteacher.com/id/3434/1038-2-0-3.jpg&imgrefurl=http://www.radiologyteacher.com/index.cgi%3F%26nav%3Dview%26DatID%3D1038&usg=__taJlL4mjZ4zOimgWGZYD3WycZ80=&h=384&w=398&sz=57&hl=ar&start=32&sig2=r5QlfWUHrLPNOk5JIwQibw&zoom=1&itbs=1&tbnid=Ghu1z5GjYWheHM:&tbnh=120&tbnw=124&prev=/images%3Fq%3Dglomus%2Btympanicum,mri%26start%3D20%26hl%3Dar%26sa%3DN%26gbv%3D2%26ndsp%3D20%26tbs%3Disch:1&ei=eL7qTO3JKcTTjAeQ7LWGAw

typanicum tumor is a benign mass that usually form on the cochlear promontory. They are the most common neoplasms of the middle ear. The two most common symtoms are pulsatile tinnitus and conductive hearing loss. Treatment for glomua tympanicum tumors is surgical removal.

http://www.google.com.eg/imgres?imgurl=https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjGJQ6EjBXfY8f9Y5TLBrROdzWtDTMz-NN1xRji3wNkBD3S5JBxwjNDtR1SYekm67n4HwQZyeYLWY1c91DbvVb68FefHNV4mTFMdHFXayeJPFj2YXlZWbahdZDCa6LZ-5Kf0DVntqIRm38/s400/Glomus_Tympanicum_CT_Scan_Coronal_half.jpg&imgrefurl=http://kdwillinghmri-ct.blogspot.com/&usg=___bZSk37OKsKaGhT78yzfhpTb-to=&h=312&w=400&sz=27&hl=ar&start=20&sig2=UCLVlJHgSx_tbAzuDDClTg&zoom=1&itbs=1&tbnid=Hlgp68zjDB_2TM:&tbnh=97&tbnw=124&prev=/images%3Fq%3Dglomus%2Btympanicum,mri%26hl%3Dar%26sa%3DG%26gbv%3D2%26tbs%3Disch:1&ei=-7vqTJrrAoi6jAe0ufyFAw

diffuse intense enhancement on T1 MRI with contrast in the right middle ear.
http://www.google.com.eg/imgres?imgurl=http://www.aboutcancer.com/gk_glomus.jpg&imgrefurl=http://www.aboutcancer.com/gk_glomus.htm&usg=__f3h58gkAknerkTPmYM_ZRQuGfrw=&h=377&w=430&sz=18&hl=ar&start=14&sig2=LM7yq4FUxkMNKrkSmvCpbw&zoom=0&itbs=1&tbnid=IqXyyQXZ-nEuxM:&tbnh=110&tbnw=126&prev=/images%3Fq%3Dglomus%2Btympanicum,mri%26hl%3Dar%26sa%3DG%26gbv%3D2%26tbs%3Disch:1&ei=ernqTI9PibqMB5WfoIcD

Glomus tympanicum tumor. Axial CT image shows a small vascular mass along the right tympanic membrane. Note the adjacent opacified mastoid air cells. Reprinted with permission. Copyright Springer-Verlag.

http://www.google.com.eg/imgres?imgurl=http://img.medscape.com/pi/emed/ckb/otolaryngology/834279-858557-860642-1874362.jpg&imgrefurl=http://emedicine.medscape.com/article/860642-overview&usg=__hb1fjsW0vEKixK8hlMYY5ek8Qsk=&h=553&w=771&sz=152&hl=ar&start=5&zoom=1&itbs=1&tbnid=vgplgzB-aACC9M:&tbnh=102&tbnw=142&prev=/images%3Fq%3Dglomus%2Btympanicum,mri%26hl%3Dar%26sa%3DG%26gbv%3D2%26tbs%3Disch:1