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ABDOMEN / Colon Rectum   62 / F,  Rectal mass
2024-04-15
About Author
Authors Sang Won, Kim
Institution Kyung Hee University Hospital
E-mail rad2000
About Case
Chief complaint
or Title
Rectal mass
Subspecialty ABDOMEN / Colon Rectum
Classification Neoplasm, benign / mesenchymal tumor
Age 62 Sex F
Difficulty For resident, For specialist
Modality CT, MR
Case Figures
Click above Figure for more images.
Questions
What is your diagnosis?
Answer
Diagnosis Leiomyoma
Comments

Rectum,
leiomyoma

R26;Benign
smooth muscle tumor


R26;Smooth muscle actin and desmin
(+),

c-kit
(-)


R26;Rare in the rectum


R26;anorectal location: under 0.1%


R26;


R26;arsing from the muscularis mucosa

: small, sessile, asymptomatic


        appearing as polyp, may bleeding



R26;arising from the muscularis
propria

: may large, exophytic growth pattern,
           -- can causing rectal stenosis


R26;


R26;A tiny calcification within the mass on
CT in this case may be a clue for making a diagnosis of leiomyoma.

 

References Kim H, et al. MRI findings of rectal submucosal tumors. KJR 2011;12(4): 487-498
Keywords rectum, leiomyoma
Attachment File -

Number of Applicants : 37
Correct Answer 24
Shiga University of Medical Science Akitoshi Inoue
Dokkyo medical school Arakawa H
Biotypos - Greece Ioannis E. Papachristos
Fukuoka University Keisuke Sato
Jichi medical university Mitsuru Matsuki
HMC , DOHA, QATAR NABIL SHERIF MAHMOOD
Shiga University of Medical Science Ryo Uemura
Osaka Metropolitan University hospital Tatsushi Oura
University of Tokyo Toshihiro Furuta
Kyoto University Hospital Yasuhisa Kurata
Kyoto City Hospital Yusuke Utsunomiya
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