<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2795-5001</journal-id>
<journal-title><![CDATA[Portuguese Journal of Dermatology and Venereology]]></journal-title>
<abbrev-journal-title><![CDATA[Port J Dermatol Venereol.]]></abbrev-journal-title>
<issn>2795-5001</issn>
<publisher>
<publisher-name><![CDATA[Permanyer Publications]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2795-50012024000100044</article-id>
<article-id pub-id-type="doi">10.24875/pjdv.23000082</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A comparative study on the association of serum ferritin and vitamin D, and B12 levels among individuals with hair loss]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estudo comparativo sobre a associação dos níveis séricos de ferritina, vitamina D e B12 em indivíduos com queda de cabelo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salecha]]></surname>
<given-names><![CDATA[Akshay J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sai-Sameer]]></surname>
<given-names><![CDATA[Akula V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Annamreddy]]></surname>
<given-names><![CDATA[Leepika]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Siva-Priyanka]]></surname>
<given-names><![CDATA[Vobbalareddy P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kumar-AL]]></surname>
<given-names><![CDATA[Senthil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rama-Murthy]]></surname>
<given-names><![CDATA[D.V.S.B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Katuri Medical College and Hospital Department of D.V.L ]]></institution>
<addr-line><![CDATA[Guntur Andrha Pradesh]]></addr-line>
<country>India</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>82</volume>
<numero>1</numero>
<fpage>44</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2795-50012024000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2795-50012024000100044&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2795-50012024000100044&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives: The objective of this study was to study the most frequent type of hair loss in different age groups, and the prevalent micronutrient deficiency linked to hair loss and to compare the association of serum ferritin, vitamin D, and vitamin B12 levels with hair loss among cases and controls.  Methods: This was a cross-sectional study which included a total of 100 subjects with 50 hair loss cases and 50 age and sex-matched controls. Serum levels of vitamin D, vitamin B12, and ferritin were measured in all subjects.  Results: Most of the subjects were between 20 and 30 years of age. There was a predominance of telogen effluvium followed by male androgenetic alopecia in all age groups. Females had considerably lower levels of serum ferritin compared to males among cases, with p-value of 0.0001. Vitamin D, vitamin B12, and serum ferritin were significantly low among cases compared to controls, with p-values of 0.0001, 0.01, and 0.006, respectively.  Conclusion: This study suggests that low levels of serum vitamin B12 and serum ferritin and particularly vitamin D might play an appreciable role in hair loss especially telogen effluvium among females. Evaluation of these parameters could aid the clinician in opting for a more precise therapeutic modality, but identification of the exact etiology remains a primary concern as it is multifactorial, which paves path to appropriate and effective treatment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objectivos: Estudar o tipo de queda de cabelo mais frequente em diferentes faixas etárias e a deficiência prevalente de micronutrientes associada à queda de cabelo. Comparar a associação dos níveis séricos de ferritina, vitamina D e vitamina B12 com queda de cabelo entre casos e controles.  Métodos: Este foi um estudo transversal que incluiu um total de 100 indivíduos com 50 casos de queda de cabelo e 50 controles pareados por idade e sexo. Os níveis séricos de vitamina D, vitamina B12 e ferritina foram medidos em todos os indivíduos.  Resultados: A maioria dos sujeitos tinha entre 20 e 30 anos de idade. Houve predomínio do eflúvio telógeno seguido da alopecia androgenética masculina em todas as faixas etárias. As mulheres apresentaram níveis consideravelmente mais baixos de ferritina sérica em comparação aos homens entre os casos, com valor p de 0,0001. A vitamina D, a vitamina B12 e a ferritina sérica foram significativamente baixas entre os casos em comparação aos controles, com valores de p de 0,0001, 0,01 e 0,006, respectivamente.  Conclusão: Este estudo sugere que baixos níveis séricos de vitamina B12 e ferritina sérica e particularmente vitamina D podem desempenhar um papel apreciável na perda de cabelo, especialmente no eflúvio telógeno entre as mulheres. A avaliação destes parâmetros poderia ajudar o médico a optar por uma modalidade terapêutica mais precisa, mas a identificação da etiologia exacta continua a ser uma preocupação primordial, uma vez que é multifactorial, o que abre o caminho para um tratamento adequado e eficaz.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hair loss]]></kwd>
<kwd lng="en"><![CDATA[Vit D]]></kwd>
<kwd lng="en"><![CDATA[Vit B12]]></kwd>
<kwd lng="en"><![CDATA[Serum ferritin]]></kwd>
<kwd lng="pt"><![CDATA[Perda de cabelo]]></kwd>
<kwd lng="pt"><![CDATA[Vit D]]></kwd>
<kwd lng="pt"><![CDATA[Vit B12]]></kwd>
<kwd lng="pt"><![CDATA[Ferritina sérica]]></kwd>
</kwd-group>
</article-meta>
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