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En-bloc resection for growing aneurysmal bone cyst of the frontal bone: A case report
J Korean Skull Base Soc 2022;17(2):110-114
Published online September 30, 2022
© 2022 Korean Skull Base Society.

Sunwoo Jang1, Sang Woo Song1, Young-Hoon Kim1, Chang Ki Hong1, Jeong Hoon Kim1, Joonho Byun2

1Department of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
2Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
Correspondence to: Joonho Byun
주소 : Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul 08308, Korea
Tel : +82-2-2626-1178
Fax : +82-2-863-1684
E-mail :
Received June 2, 2022; Revised June 30, 2022; Accepted July 15, 2022.
A magnetic resonance imaging was performed on a 25-years-old male patient who had a stuffy nose, and an extra-axial lesion was detected in the right frontal bone with a welldefined hypotonic border and a mixed signal strength. As the size of the mass increased, and en-bloc resection was performed during the follow-up. The operation results showed dark-brownish turbid fluid with a sludge-like matter surrounded by a capsule. In the histopathology of the tumor, bone trabeculae were infiltrated by extensive hemosiderindeposited macrophages and cholesterol clefts, which suggested an aneurysmal bone cyst. The patient showed a stable course and was later discharged from the hospital. The brain computed tomography performed one month after the operation showed clear findings without tumor recurrence. Herein, we reported one case of aneurysmal bone cyst occurred in the right frontal bone, which was successfully treated by surgical resection.
Keywords : Bone cysts, Aneurysmal, Frontal bone

September 2022, 17 (2)
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