The Japanese Journal of Dermatology
Online ISSN : 1346-8146
Print ISSN : 0021-499X
ISSN-L : 0021-499X
Original Articles
Two Cases of Chronic Expanding Hematoma
Ryutaro YoshikiMiwa KobayashiHiroshi YasudaKenji KabashimaYoshiki Tokura
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2007 Volume 117 Issue 7 Pages 1155-1160

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Abstract

We report two cases of chronic expanding hematoma. Case 1 was a 72-year-old woman who presented with a subcutaneous tumor on her right clavicular region. The tumor developed on the site of a past operation that was performed 14 years previously. Case 2 was an 80-year-old man presenting with an easily bleeding subcutaneous tumor on his left scapular region. A trauma had triggered the occurrence of the tumor on the site of an operation performed 43 years previously. On first examination, our tentative diagnoses were malignant tumors of the soft tissue in both patients based upon their medical histories and clinical appearances. However, histological specimens from the excised tumors disclosed that they were chronic expanding hematoma without any indication of a malignant tumor. The similarities between soft tissue tumors and chronic expanding hematoma should be kept in mind.

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© 2007 Japanese Dermatological Association
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