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  • Title: Clinical and pathological features of 31 cases of lipedematous scalp and lipedematous alopecia.
    Author: Yasar S, Gunes P, Serdar ZA, Tosun I.
    Journal: Eur J Dermatol; 2011; 21(4):520-8. PubMed ID: 21659073.
    Abstract:
    Little is known about lipedematous scalp (LS) and lipedematous alopecia (LA). We investigated the clinical and histopathological features of LS and LA with a 7-year retrospective re-evaluation of 31 patients. 23 cases were LS and 8 LA, with 25 females and 6 males. The overweight and obese groups contained 15 patients with 16 within the normal weight range. Scalp thickness varied between 9-18 mm in our patients by magnetic resonance imaging. Thickening of the subcutaneous adipose tissue layer was present in all cases. Dermal edema was seen in 22 patients, lymphatic dilatation in 17 and elastic fiber fragmentation in 21. When the relationship between dermal edema and elastic fibers was investigated, elastic fiber fragmentation was found in 86.4% of cases with dermal edema. Collagen fragmentation and coarsening were seen in two cases, and collagen was normal in 24 cases. The number of follicles was decreased in 9 cases and normal in 17. The clinical and histopathological findings were not statistically different between LS and LA groups (p>0.05). The majority of the patients in our study were females, suggesting an underlying hormonal pathology. The association with obesity suggested that anatomical differences can be present in lipid distribution. Dermal edema and lymphatic dilatation suggested the primary pathology is lymphatic system.
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