Two Cases of Maxillary Sinus Hematocele Mimicking Malignant Tumors

Nobuo Ohta; Tomoo Watanabe; Tsukasa Ito; Toshinori Kubota; Yusuke Suzuki; Akihiro Ishida; Yasuhiro Abe; Hiroo Inamura; Masaru Aoyagi

doi:10.5631/jibirinsuppl.130.49

Festschrift for Professor Masaru Aoyagi In Honor of His Retirement as Chairman of the Department of Otorhinolaryngology, Head and Neck Surgery, Yamagata University School of Medicine

Two Cases of Maxillary Sinus Hematocele Mimicking Malignant Tumors

Nobuo Ohta, Tomoo Watanabe, Tsukasa Ito, Toshinori Kubota, Yusuke Suzuki, Akihiro Ishida, Yasuhiro Abe, Hiroo Inamura, Masaru Aoyagi

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Keywords: maxillary sinus, hematocele, mimicking malignant tumors

JOURNAL RESTRICTED ACCESS

2011 Volume 130 Pages 49-55

DOI https://doi.org/10.5631/jibirinsuppl.130.49

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Abstract

We report 2 cases of relatively rare hematocele of the maxillary sinus in 14-year-old and 38-year-old men reporting nasal obstruction and epistaxis. Computed tomography (CT) showed isodensity maxillary sinus masses mimicking malignant tumors by destroying the bony wall. Masses were removed transmaxillarily and endonasally. Both were diagnosed histopathologically as hematocele.

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