Giant Muscle Invasive Dermatofibroma Clinically Mimicking a Malignant Tumor
Joint Authors
Ohtori, Seiji
Kamoda, Hiroto
Yonemoto, Tsukasa
Ishii, Takeshi
Kinoshita, Hideyuki
Tsukanishi, Toshinori
Orita, Sumihisa
Inage, Kazuhide
Source
Case Reports in Dermatological Medicine
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-4, 4 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-03-28
Country of Publication
Egypt
No. of Pages
4
Main Subjects
Abstract EN
Dermatofibromas are common benign fibrohistiocytic lesions, usually appearing as slow growing firm dermal nodules with a predilection for the extremities (mostly the lower legs).
They are found mostly in middle-aged women and are usually smaller than 2 cm in diameter.
Giant dermatofibromas exceeding 5 cm in diameter are rare.
In recent years, reports have suggested a relationship between the primary size of dermatofibromas and rates of local recurrence and metastases after surgery.
This relationship is however debated.
The present report describes the case of a giant muscle invasive tumor in a 51-year-old female patient who presented with a large ulcerated mass in the right upper arm.
The tumor appeared clinically malignant, measuring approximately 12 cm × 6 cm in size, with ulceration and invasion of surrounding muscle.
Wide resection of the tumor was performed with myocutaneous flap-plasty.
Histopathological examination showed evidence of a dermatofibroma.
No recurrence, metastases, or other complications were noted at 5 years after surgery.
The present case demonstrates that although dermatofibromas are essentially benign, they may present with atypical features including large size, ulceration, and muscle invasion, clinically mimicking malignant tumors.
American Psychological Association (APA)
Kinoshita, Hideyuki& Ishii, Takeshi& Kamoda, Hiroto& Tsukanishi, Toshinori& Orita, Sumihisa& Inage, Kazuhide…[et al.]. 2019. Giant Muscle Invasive Dermatofibroma Clinically Mimicking a Malignant Tumor. Case Reports in Dermatological Medicine،Vol. 2019, no. 2019, pp.1-4.
https://search.emarefa.net/detail/BIM-1135600
Modern Language Association (MLA)
Kinoshita, Hideyuki…[et al.]. Giant Muscle Invasive Dermatofibroma Clinically Mimicking a Malignant Tumor. Case Reports in Dermatological Medicine No. 2019 (2019), pp.1-4.
https://search.emarefa.net/detail/BIM-1135600
American Medical Association (AMA)
Kinoshita, Hideyuki& Ishii, Takeshi& Kamoda, Hiroto& Tsukanishi, Toshinori& Orita, Sumihisa& Inage, Kazuhide…[et al.]. Giant Muscle Invasive Dermatofibroma Clinically Mimicking a Malignant Tumor. Case Reports in Dermatological Medicine. 2019. Vol. 2019, no. 2019, pp.1-4.
https://search.emarefa.net/detail/BIM-1135600
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1135600