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The anti-clockwise spiralization of the linea nigra sign / O sinal do espiralamento anti-horário da linea nigra
Klotzel, Daniel; Zamuner, Marina; Machado, Andrea Maria Novaes; Amadatsu, Cristina Tiemi; Liao, Adolfo Wenjaw.
  • Klotzel, Daniel; Hospital Israelita Albert Einstein. São Paulo. BR
  • Zamuner, Marina; Hospital Israelita Albert Einstein. São Paulo. BR
  • Machado, Andrea Maria Novaes; Hospital Israelita Albert Einstein. São Paulo. BR
  • Amadatsu, Cristina Tiemi; Hospital Israelita Albert Einstein. São Paulo. BR
  • Liao, Adolfo Wenjaw; Hospital Israelita Albert Einstein. São Paulo. BR
Einstein (Säo Paulo) ; 18: eAO5432, 2020. tab, graf
Article in English | LILACS | ID: biblio-1133775
ABSTRACT
ABSTRACT

Objective:

To describe the morphology of the supra- and infraumbilical linea nigra in puerperal women.

Methods:

The study was conducted from September 2017 to April 2018, and included 157 puerperal women admitted for childbirth care at the Obstetrics Department of a public maternity hospital of the city of São Paulo (SP), Brazil. The abdomen of subjects was photographed on the first or second day postpartum, with the patient lying symmetrically in dorsal decubitus at a standardized distance. Contrast was slightly adjusted and the morphological pattern of supra and infraumbilical linea nigra in the proximity of the umbilical scar was characterized. The images were independently analyzed by two researchers and only the matching results from both observers were used.

Results:

Of the 157 observed cases, 139 (88.5%) images provided concordant results between the two researchers. Excluding 41 cases of absence or poor definition of the linea nigra, 98 images were analyzed. Supra- and infraumbilical linea nigra were analyzed separately and classified according to three directions (left, center and right of the umbilical scar). The combination of the supra- and infraumbilical images resulted in the formation of nine distinct patterns, being the most prevalent, in primiparous (72.2%) and multiparous women (50.0%), and the authors named as "anticlockwise spiralization of the linea nigra".

Conclusion:

The analysis of supra- and infraumbilical linea nigra in puerperal women showed a predominance of what the authors named "anti-clockwise spiralization of the linea nigra sign".
RESUMO
RESUMO

Objetivo:

Descrever a morfologia da linea nigra supra e infraumbilical em puérperas.

Métodos:

O estudo foi realizado no período de setembro de 2017 a abril de 2018 e incluiu 157 puérperas admitidas para o parto no Serviço de Obstetrícia de uma maternidade pública da cidade de São Paulo (SP). O abdome das pacientes foi fotografado no primeiro ou segundo dia pós-parto, com a paciente deitada simetricamente em decúbito dorsal a uma distância padronizada. O contraste foi ligeiramente ajustado, e o padrão morfológico da linea nigra supra e infraumbilical na proximidade da cicatriz umbilical foi caracterizado. As imagens foram analisadas independentemente por dois pesquisadores, e apenas os resultados concordantes dos dois observadores foram utilizados.

Resultados:

Dos 157 casos observados, 139 (88,5%) imagens apresentaram resultados concordantes entre os dois pesquisadores. Excluindo 41 casos de ausência ou má definição da linea nigra, 98 imagens foram analisadas. As linea nigra supra e infraumbilicais foram analisadas separadamente e classificadas de acordo com três direções (esquerda, centro e direita da cicatriz umbilical). A combinação das imagens supra e infraumbilicais resultou na formação de nove padrões distintos, sendo os mais prevalentes nas primíparas (72,2%) e multíparas (50,0%), o que os autores denominaram "espiralamento anti-horário da linea nigra".

Conclusão:

A análise das linea nigra supra e infraumbilical em puérperas mostrou predominância do que os autores denominaram "sinal do espiralamento anti-horário da linea nigra".
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Skin / Umbilicus / Pregnancy / Skin Pigmentation / Hyperpigmentation Type of study: Diagnostic study Limits: Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Einstein (Säo Paulo) Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Israelita Albert Einstein/BR

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Full text: Available Index: LILACS (Americas) Main subject: Skin / Umbilicus / Pregnancy / Skin Pigmentation / Hyperpigmentation Type of study: Diagnostic study Limits: Female / Humans Country/Region as subject: South America / Brazil Language: English Journal: Einstein (Säo Paulo) Journal subject: Medicine Year: 2020 Type: Article Affiliation country: Brazil Institution/Affiliation country: Hospital Israelita Albert Einstein/BR