Second-to-fourth digit ratio and seborrheic dermatitis in males: a cross-sectional study*
An. bras. dermatol
;
94(3): 327-330, May-June 2019. tab
Artículo
en Inglés
| LILACS
| ID: biblio-1011107
ABSTRACT
Abstract: Background: Seborrheic dermatitis is a common disease characterized by the erythematous plaques with oily-yellow desquamation. Increased sebaceous gland activity by androgenic hormones has played a role in the etiology of the disease. The second-to-fourth digit (2D:4D) ratio is thought to be a marker of prenatal androgen exposure. Objectives: To investigate the association between 2D:4D ratios and seborrheic dermatitis in a male population. Methods: Healthy male controls and patients with seborrheic dermatitis were included in this study. One hundred seborrheic dermatitis patients and 120 healthy controls, aged 17-59, were enrolled. A digital Vernier caliper was used to measure the finger lengths. Seborrheic dermatitis severity was assessed using the Seborrheic Dermatitis Area and Severity Index (SDASI). Results: The 2D:4D ratios of the patients (x = 0.977) were significantly lower than those of the controls (x = 1.050) for right hands (t = 6.948; p = 0.000; > 0.05). No similar relationship was found between the 2D:4D ratio for left hands (t = 0.901; p = 0.368; > 0.05). Seborrheic dermatitis severity was negatively correlated with 2D:4D ratios of right hands (r = -0.391; p = 0.000-0.05). Study limitations: One of the main limitations of this study was the small sample, which got a head of us from acquiring certain findings about the 2D:4D ratio and seborrheic dermatitis. The other limitation is that the patient selection did not reflect the general population, as a single clinic was studied. Conclusion: To the authors' knowledge, this is the first study examining the relationship between 2D:4D ratios and seborrheic dermatitis. The result of this study may indicate a line of investigation and can support the theory of prenatal androgen exposure.
Texto completo:
Disponible
Índice:
LILACS (Américas)
Asunto principal:
Dermatitis Seborreica
/
Dedos
Tipo de estudio:
Estudio observacional
/
Estudio de prevalencia
/
Factores de riesgo
Límite:
Adolescente
/
Adulto
/
Femenino
/
Humanos
/
Masculino
Idioma:
Inglés
Revista:
An. bras. dermatol
Asunto de la revista:
Dermatologia
Año:
2019
Tipo del documento:
Artículo
País de afiliación:
Turquía
Institución/País de afiliación:
Selcuk University/TR
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