A case of intramuscular hemangioma presenting with large-angle hypertropia.
OBJECTIVE
To report the case of a patient with large-angle hypertropia of an intramuscular hemangioma of the right superior rectus muscle (SR).


METHODS
A 63-year-old man with progressive vertical deviation of the right eye for the past 6 months visited our strabismus department; his condition was not painful. An examination indicated that he had 60PD of right hypertropia at distance and near in primary gaze. Additionally, a significant limitation of his downgaze was noted. The right eye appeared mildly proptotic, and the upper and lower eyelids were slightly edematous. Corrected vision was 20/20 in both eyes.


RESULTS
Orbital magnetic resonance imaging (MRI) studies revealed fusiform enlargement of the right superior rectus muscle, with prominent but irregular enhancement following gadolinium administration. Incisional biopsy revealed an intramuscular hemangioma in the superior rectus muscle with cavernous-type vessels.


CONCLUSIONS
This case demonstrates that intramuscular hemangioma should be considered in the differential diagnosis of isolated extraocular muscle enlargement and unusual strabismus.
Kim
Seung-Hyun
SH
Department of Ophthalmology, Korea University College of Medicine, Ansan Hospital, Gyeonggi-do, Korea.
Shin
Hyung-Ho
HH
Rho
Bo-Kun
BK
Lee
Eung-Suk
ES
Baek
Se-Hyun
SH
D001706:Biopsy; D003937:Diagnosis, Differential; D018450:Disease Progression; D005134:Eye Neoplasms / Q000150:complications* / Q000175:diagnosis; D006391:Hemangioma / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D019042:Muscle Neoplasms / Q000150:complications* / Q000175:diagnosis; D009801:Oculomotor Muscles; D013285:Strabismus / Q000175:diagnosis / Q000209:etiology*