Giant epidermal cyst with intramuscular extension: a rare occurrence.
BMJ Case Rep, 2015/2/06;2015
Low SF[1], Sridharan R[1], Ngiu CS[2]
Affiliations
PMID: 25661748
Abstract
An epidermal cyst is the most common type of cyst to occur in subcutaneous tissue. When its size is greater than 5 cm, it is recognised as a giant epidermal cyst. A subcutaneous giant epidermal cyst with intramuscular extension is extremely rare. The authors report a case of a 74-year-old man who presented with a painless, slow-growing left gluteal mass of 6-month duration. Examination revealed a large left gluteal mass that was fixed to the underlying structures. A small epidermal cyst with visible punctum was noted at the medial aspect of the mass. MRI demonstrated a large, lobulated left gluteal lesion measuring 20 cm×16 cm×10 cm. The lesion was partly within the gluteal maximus muscle and partly within the subcutaneous tissue. MRI and ultrasound features of the lesion were consistent with a giant epidermal cyst with intramuscular extension. The lesion was excised and histology confirmed the diagnosis.
MeSH terms
Aged; Buttocks; Diagnosis, Differential; Epidermal Cyst; Humans; Magnetic Resonance Imaging; Male; Muscle, Skeletal; Muscular Diseases; Sarcoma
More resources
Full text:
Europe PubMed Central; PubMed Central
EndNote: Download