Benign cyst originating in dermis lined with infundibular or epidermal-like cells that keratinize
"Sebaceous cyst" is misnomer and should be avoided
Cysts are not of sebaceous differentiation and imaging characteristics vary according to contents
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Datir A et al: MRI of soft-tissue masses: the relationship between lesion size, depth, and diagnosis. Clin Radiol. 63(4):373-8; discussion 379-80, 2008
Beaman FD et al: Superficial soft-tissue masses: analysis, diagnosis, and differential considerations. Radiographics. 27(2):509-23, 2007
Blacksin MF et al: Superficial soft-tissue masses of the extremities. Radiographics. 26(5):1289-304, 2006
Harish S et al: Soft tissue masses with "cyst-like" appearance on MR imaging: Distinction of benign and malignant lesions. Eur Radiol. 16(12):2652-60, 2006
Kocaoglu M et al: Pediatric presacral masses. Radiographics. 26(3):833-57, 2006
Laor T: MR imaging of soft tissue tumors and tumor-like lesions. Pediatr Radiol. 34(1):24-37, 2004
Fenstermacher MJ: Imaging evaluation of patients with soft tissue sarcoma. Surg Oncol Clin N Am. 12(2):305-32, 2003
Galant J et al: Grading of subcutaneous soft tissue tumors by means of their relationship with the superficial fascia on MR imaging. Skeletal Radiol. 27(12):657-63, 1998
Benign cyst originating in dermis lined with infundibular or epidermal-like cells that keratinize
"Sebaceous cyst" is misnomer and should be avoided
Cysts are not of sebaceous differentiation and imaging characteristics vary according to contents
IMAGING
General Features
Imaging Recommendations
CT Findings
MR Findings
Ultrasonographic Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Selected References
Datir A et al: MRI of soft-tissue masses: the relationship between lesion size, depth, and diagnosis. Clin Radiol. 63(4):373-8; discussion 379-80, 2008
Beaman FD et al: Superficial soft-tissue masses: analysis, diagnosis, and differential considerations. Radiographics. 27(2):509-23, 2007
Blacksin MF et al: Superficial soft-tissue masses of the extremities. Radiographics. 26(5):1289-304, 2006
Harish S et al: Soft tissue masses with "cyst-like" appearance on MR imaging: Distinction of benign and malignant lesions. Eur Radiol. 16(12):2652-60, 2006
Kocaoglu M et al: Pediatric presacral masses. Radiographics. 26(3):833-57, 2006
Laor T: MR imaging of soft tissue tumors and tumor-like lesions. Pediatr Radiol. 34(1):24-37, 2004
Fenstermacher MJ: Imaging evaluation of patients with soft tissue sarcoma. Surg Oncol Clin N Am. 12(2):305-32, 2003
Galant J et al: Grading of subcutaneous soft tissue tumors by means of their relationship with the superficial fascia on MR imaging. Skeletal Radiol. 27(12):657-63, 1998
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