{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T23:49:01Z","timestamp":1792799341874,"version":"4.5.0"},"reference-count":23,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,10,20]],"date-time":"2016-10-20T00:00:00Z","timestamp":1476921600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2016,10,20]],"date-time":"2016-10-20T00:00:00Z","timestamp":1476921600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acad Dermatol Venereol"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>The anatomy and embryology of the nail are well known, and nail abnormalities are a feature of many genodermatoses. However, the physiological aspect is not well described. We aimed to analyse the physiological features of nails in healthy newborns.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We performed an observational, prospective study at University Hospital Center of Tours between July and October 2015. Newborns were included by a dermatologist assistant during the systematic examination on release of the mother from the hospital. The medical history of the mother and infant were recorded by using a standardized questionnaire. Finger\u2010 and toenails were systematically photographed for a second interpretation by a dermatologist with blinding to the first photograph.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Fifty\u2010eight patients were eligible, and 52 were included. Half of the newborns were males, and the mean age at inclusion was 3.6 \u00b1 1.2 days. Fingernails had an oval shape (71.1%) or a flat curvature (63.5%), and half had a lunula. Toenails showed an apparent hypertrophy of the proximal nail fold (38.4%) and lateral nail fold (73.1%). The shape of the nails was triangular (50.0%) or round (21.1%). We noted koilonychia in 32.7% of infants and lunula in 7.7%. Distal parts showed onychoschizia (28.8%) and onycholysis (26.9%).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Koilonychia, onychoschizia of toenails or absence of lunula are physiological features of nails in newborns.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jdv.13978","type":"journal-article","created":{"date-parts":[[2016,9,23]],"date-time":"2016-09-23T03:34:53Z","timestamp":1474601693000},"page":"371-375","source":"Crossref","is-referenced-by-count":24,"title":["Nail features in healthy term newborns: a single\u2010centre observational study of 52 cases"],"prefix":"10.1111","volume":"31","author":[{"given":"M.","family":"Chinazzo","sequence":"first","affiliation":[{"name":"University Fran\u00e7ois Rabelais Tours Tours France"},{"name":"Unit of Paediatric Dermatology Department of Dermatology CHRU Tours Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"G.","family":"Lorette","sequence":"additional","affiliation":[{"name":"University Fran\u00e7ois Rabelais Tours Tours France"},{"name":"Unit of Paediatric Dermatology Department of Dermatology CHRU Tours Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.","family":"Baran","sequence":"additional","affiliation":[{"name":"Nail Disease Center Cannes France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Finon","sequence":"additional","affiliation":[{"name":"University Fran\u00e7ois Rabelais Tours Tours France"},{"name":"Unit of Paediatric Dermatology Department of Dermatology CHRU Tours Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00c9.","family":"Saliba","sequence":"additional","affiliation":[{"name":"University Fran\u00e7ois Rabelais Tours Tours France"},{"name":"Department of Neonatalogy CHRU Tours Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Maruani","sequence":"additional","affiliation":[{"name":"University Fran\u00e7ois Rabelais Tours Tours France"},{"name":"Unit of Paediatric Dermatology Department of Dermatology CHRU Tours Tours France"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,10,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clindermatol.2013.06.006"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/MOP.0000000000000116"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2230.1988.tb01960.x"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1525-1470.2002.0024c.x"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1136\/bcr.06.2009.1943"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/bjd.14023"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1525-1470.2001.018002107.x"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1468-3083.2008.02592.x"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1177\/000992288902800309"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.5070\/D30562V7ZR"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00105-002-0472-3"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.clindermatol.2013.06.017"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.2165\/11537110-000000000-00000"},{"key":"e_1_2_7_15_1","first-page":"1417","article-title":"Nail abnormalities: clues to systemic disease","volume":"69","author":"Fawcett RS","year":"2004","journal-title":"Am Fam Physician"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.4103\/0019-5154.74575"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0190-9622(96)90269-8"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1525-1470.2000.017005348.x"},{"key":"e_1_2_7_19_1","first-page":"74","article-title":"L'ongle du nouveau\u2010n\u00e9 et du nourrisson","volume":"130","author":"Viseux V","year":"2003","journal-title":"Ann Dermatol Venereol"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1097\/bpo.0b013e3181594d09"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1525-1470.2007.00576.x"},{"key":"e_1_2_7_22_1","first-page":"137","article-title":"Cutaneous hyperpigmentation of the distal digits. 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