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Pseudomembranous changes in the dermis: A novel observation and potential clue for evolving lipodermatosclerosis?
Adane Ayele1, Michael J Tidman2, Asok Biswas3
1Department of Dermatovenereology, Addis Ababa University, Addis Ababa, Ethiopia.
Journal of Cutaneous Pathology
|September 6, 2017
Summary
Lipodermatosclerosis (LDS) is a fibrosing panniculitis often misdiagnosed in early stages. This study highlights pseudomembranous changes in the dermis as a potential early histopathologic clue for evolving LDS.
Area of Science:
- Dermatopathology
- Histopathology
- Fibrosing Panniculitis
Background:
- Lipodermatosclerosis (LDS) is a recognized fibrosing panniculitis.
- Early or evolving LDS lesions can be misdiagnosed as cellulitis or other panniculitis types.
- Pseudomembranous fat necrosis is a known feature of chronic LDS.
Observation:
- The histopathology of early and evolving LDS, particularly dermal involvement, is less documented.
- A case of early LDS presented with extensive pseudomembranous changes in the dermis on superficial biopsy.
- Clinical progression to established LDS was documented in this case.
Findings:
- Pseudomembranous changes, typically seen in chronic LDS fat necrosis, were observed extensively in the dermis in an early LDS case.
- This finding on superficial biopsy is previously unreported in evolving LDS.
- The presence of dermal pseudomembranous changes may serve as an early histopathologic indicator.
Implications:
- Recognizing dermal pseudomembranous changes could aid in the early diagnosis of lipodermatosclerosis.
- This finding may help differentiate evolving LDS from conditions like cellulitis.
- Further studies are warranted to confirm the diagnostic utility of this histopathologic feature in early LDS.
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