Share to: share facebook share twitter share wa share telegram print page

Beau's lines

Beau's lines
Beau's lines on the middle fingernail of the left hand caused by a severe paronychia infection
SpecialtyDermatology Edit this on Wikidata

Beau's lines are deep grooved lines that run from side to side on the fingernail or the toenail.[1] They may look like indentations or ridges in the nail plate.[2]: 657 

This condition of the nail was named by a French physician, Joseph Honoré Simon Beau (1806–1865), who first described it in 1846.

Signs and symptoms

Beau's lines are horizontal, going across the nailline, and should not be confused with vertical ridges going from the bottom (cuticle) of the nail out to the fingertip. These vertical lines are usually a natural consequence of aging and are harmless.[3][4]

Beau's lines should also be distinguished from Muehrcke's lines of the fingernails. While Beau's lines are actual ridges and indentations in the nail plate, Muehrcke lines are areas of hypopigmentation without palpable ridges; they affect the underlying nail bed, and not the nail itself. Beau's lines should also be distinguished from Mees' lines of the fingernails, which are areas of discoloration in the nail plate.

As the nail grows out, the ridge in the nail can be seen to move upwards until it reaches the fingertip. When it reaches this point the fingertips can become sore for a few days as the nail bed is exposed by the misshapen nail.

Causes

There are several causes of Beau's lines. It is believed that there is a temporary cessation of cell division in the nail matrix. This may be caused by an infection or problem in the nail fold, where the nail begins to form, or it may be caused by an injury to that area. Some other reasons for these lines include trauma, coronary occlusion, hypocalcaemia, and skin disease. They may be a sign of systemic disease, or may also be caused by an illness of the body, as well as drugs used in chemotherapy, or malnutrition.[5][6] Beau's lines can also be seen one to two months after the onset of fever in children with Kawasaki disease.[7] Conditions also associated with Beau's lines include uncontrolled diabetes and peripheral vascular disease, as well as illnesses associated with a high fever, such as scarlet fever, measles, mumps and pneumonia. Beau's lines can also be a sign of zinc deficiency.[8]

A researcher found Beau's lines in the fingernails of two of six divers following a deep saturation dive to a pressure equal to 305 metres (1,001 ft) of sea water, and in six of six divers following a similar dive to 335 metres (1,099 ft).[9] They have also been seen in Ötzi the Iceman.

Human nails grow at a rate which varies with many factors: age, the specific digit, as well as nutrition. However, typically in healthy populations fingernails grow at about 0.1 mm/day and toenails at about 0.05 mm/day.[10]

See also

References

  1. ^ Bellet, Jane Sanders (2021). "Paediatric nail disorders". In Lipner, Shari (ed.). Nail Disorders: Diagnosis and Management, An Issue of Dermatologic Clinics. Philadelphia: Elsevier. p. 232. ISBN 978-0-323-70923-1.
  2. ^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.
  3. ^ Google Answers: Vertical Ridges, citing several different studies and experts. Accessed April 7, 2009.
  4. ^ Mayo Clinic: Vertical Ridges. Accessed April 7, 2009.
  5. ^ Ben-Dayan D, Mittelman M, Floru S, Djaldetti M (1994). "Transverse nail ridgings (Beau's lines) induced by chemotherapy". Acta Haematol. 91 (2): 89–90. doi:10.1159/000204261. PMID 7517608.
  6. ^ Park J; Li K (2010). "Multiple Beau's lines". New England Journal of Medicine. 362 (20): e63. doi:10.1056/NEJMicm0906698. PMID 20484394.
  7. ^ Fimbres AM, Shulman ST. "Kawasaki Disease". Pediatr rev 2008; 29; 308–316.
  8. ^ "Slide show: 7 fingernail problems not to ignore". Mayo Clinic.
  9. ^ Schwartz H (2006). "Clinical observation: Beau's lines on fingernails after deep saturation dives". Undersea Hyperb Med. 33 (1): 5–10. PMID 16602251. Archived from the original on July 27, 2012. Retrieved 2009-02-16.{{cite journal}}: CS1 maint: unfit URL (link)
  10. ^ Yaemsiri S, Hou N, Slining M, He K (2009). "Growth rate of human fingernails and toenails in healthy American young adults". Journal of the European Academy of Dermatology and Venereology. 24 (4): 420–423. doi:10.1111/j.1468-3083.2009.03426.x. PMID 19744178. S2CID 856692.

Read other articles:

長野県にある「大町市」とは異なります。 画像提供依頼:西福寺の画像提供をお願いします。(2021年10月) おおまちちょう 大町町 土井家住宅 大町町旗 大町町章 国 日本地方 九州地方都道府県 佐賀県郡 杵島郡市町村コード 41423-9法人番号 7000020414239 面積 11.50km2総人口 6,019人 [編集](推計人口、2023年11月1日)人口密度 523人/km2隣接自治体 多久市、武雄市、杵島郡江北

 

 

Cet article est une ébauche concernant une localité de Castille-et-León. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. Villoruela Héraldique Drapeau Place d'Espagne, mairie de Villoruela Administration Pays Espagne Communauté autonome Castille-et-León Province Province de Salamanque Comarque Las Villas (es) District judic. Peñaranda de Bracamonte Maire Mandat Florentino Hernández (PSOE) 2011 Code p...

 

 

Argentine footballer and manager Eduardo Domínguez Domínguez in 2022Personal informationFull name Eduardo Rodrigo DomínguezDate of birth (1978-09-01) 1 September 1978 (age 45)Place of birth Lanús, ArgentinaHeight 1.85 m (6 ft 1 in)Position(s) Centre backTeam informationCurrent team Estudiantes (head coach)Senior career*Years Team Apps (Gls)1996–2002 Vélez Sársfield 98 (6)2002–2003 Olimpo 26 (3)2003–2004 Racing 10 (0)2005–2006 Independiente 23 (2)2006–2007 I...

Massa jenis, RapatanSimbol umumρDSatuan SIkg/m3 Gelas ukur yang berisi berbagai cairan berwarna dengan massa jenis berbeda Massa jenis atau kerapatan (bahasa Inggris: specific mass, density) adalah pengukuran jisim setiap satuan volume benda. Semakin tinggi massa jenis suatu benda, maka semakin besar pula massa setiap volumenya. Massa jenis rata-rata setiap benda merupakan total massa dibagi dengan total volumenya. Sebuah benda yang memiliki massa jenis lebih tinggi (misalnya besi) akan ...

 

 

Pemilihan umum Bupati Banyuasin 20182013[[Pemilihan umum Bupati Banyuasin 2024|2024]]27 Juni 2018[1]Kehadiran pemilih82,35%Kandidat   Calon Agus Yudiantoro Arkoni MD Buya Husni Thamrin Madani Partai PAN Hanura Perseorangan Pendamping Hazuar Bidui AZ Hazwar Hamid Supartijo Suara rakyat 34.787 99.481 80.321 Persentase 9,01% 25,78% 20,81%   Calon Syaiful Bakhri Askolani Partai Partai Golongan Karya PDI-P Pendamping Agus Salam Slamet Suara rakyat 39.749 131.593 Persent...

 

 

Stasiun PantitlánStasiun angkutan cepat di Kota MeksikoLokasiAv. Río ChurubuscoAv. Talleres GráficosCol. Agrícola PantitlánCol. Adolfo López MateosKoordinat19°24′55″N 99°04′20″W / 19.415359°N 99.072132°W / 19.415359; -99.072132PemilikSistema de Transporte Colectivo di Kota MeksikoJalur Jalur 1 Jalur 5 Jalur 9 Jalur AJumlah peronPusat dan RusukJumlah jalur8KonstruksiJenis strukturMelayangTinggi peronBawah tanah (Jalur 1 dan A)Permukaan (Jalur 5)Tinggi ...

Cet article est une ébauche concernant l’éducation. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. Jeune institutrice en Afrique du Sud. L’enseignement primaire, ou l’école primaire, est dans plusieurs pays le premier degré de l’enseignement. Il permet notamment l'apprentissage de la lecture, de l'écriture et des bases de mathématiques. Les enfants entament leurs études primaires vers l’âge de ...

 

 

Artikel ini sebatang kara, artinya tidak ada artikel lain yang memiliki pranala balik ke halaman ini.Bantulah menambah pranala ke artikel ini dari artikel yang berhubungan atau coba peralatan pencari pranala.Tag ini diberikan pada Januari 2023. Wodon adalah nama sebuah marga, fam, suku atau klan di wilayah adat Krowe, Kabupaten Sikka, Pulau Flores, NTT. Secara etimologis dalam bahasa daerah setempat, kata Wodon berarti unggas Gosong Kaki Merah. Nama ilmiah untuk spesies ini dalam bahasa Latin...

 

 

Bondol Coklat Bondol cokelat, Lonchura atricapilla jagori dari Cebu, Filipina Status konservasi Risiko Rendah (IUCN 3.1) Klasifikasi ilmiah Kerajaan: Animalia Filum: Chordata Kelas: Aves Ordo: Passeriformes Famili: Estrildidae Genus: Lonchura Spesies: L. atricapilla Nama binomial Lonchura atricapilla(Vieillot, 1807) Bondol cokelat (Lonchura atricapilla) adalah sejenis burung kecil pemakan biji-bijian yang tergolong dalam suku Estrildidae. Sebelumnya, burung ini dianggap sebagai anak...

Primary alcohol compound 1-Propanol Names Pronunciation ˈprəʊpən.wən.ɒl Preferred IUPAC name Propan-1-ol[1] Other names n-Propyl alcoholn-Propanoln-PrOHEthyl carbinol1-HydroxypropanePropionic alcoholPropionyl alcoholPropionylolPropyl alcoholPropylic alcoholPropylol Identifiers CAS Number 71-23-8 Y 3D model (JSmol) Interactive image 3DMet B00883 Beilstein Reference 1098242 ChEBI CHEBI:28831 Y ChEMBL ChEMBL14687 Y ChemSpider 1004 Y DrugBank DB03175 Y ECHA ...

 

 

German actor and director (born 1966) This biography of a living person relies too much on references to primary sources. Please help by adding secondary or tertiary sources. Contentious material about living persons that is unsourced or poorly sourced must be removed immediately, especially if potentially libelous or harmful.Find sources: Lutz Winde – news · newspapers · books · scholar · JSTOR (March 2008) (Learn how and when to remove this template ...

 

 

Ada usul agar Teknik fondasi digabungkan ke artikel ini. (Diskusikan) Ada usul agar Fondasi bangunan digabungkan ke artikel ini. (Diskusikan) artikel ini perlu dirapikan agar memenuhi standar Wikipedia. Tidak ada alasan yang diberikan. Silakan kembangkan artikel ini semampu Anda. Merapikan artikel dapat dilakukan dengan wikifikasi atau membagi artikel ke paragraf-paragraf. Jika sudah dirapikan, silakan hapus templat ini. (Pelajari cara dan kapan saatnya untuk menghapus pesan templat ini) Fond...

United States Navy utility uniforms Navy Working Uniform From left to right: A U.S. Navy Lieutenant wearing the NWU Type III, bearing the AOR2 camouflage pattern and a chief petty officer wearing the NWU Type II in AOR1.TypeMilitary uniformsPlace of originUnited StatesService historyIn service2009–2019 (NWU Type I)[a]2010–present (NWU Type II and III)Used byUnited States NavyU.S. Coast Guard[1][2]U.S. Naval Sea Cadet CorpsNew York Naval MilitiaW...

 

 

This article includes a list of general references, but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. (August 2015) (Learn how and when to remove this template message) Krak des Chevaliers, a World Heritage Site, coming under fire during the Syrian Civil War. This is a list of heritage sites that were damaged or destroyed during the Syrian Civil War. Damage has been caused to numerous historic buildings, tell mou...

 

 

Christian university in Jackson, Mississippi Belhaven UniversityFormer namesMississippi Synodical College (1883–1939)Belhaven College for Young Ladies (1894–1911)Belhaven Collegiate and Industrial Institute (1911–1915)Belhaven College (1915–2010)MottoNon Ministari Sed Ministare (Latin)Motto in EnglishNot To Be Served But To ServeTypePrivate universityEstablished1883; 140 years ago (1883)Religious affiliationPresbyterianAcademic affiliationsCCCUNAICU[1]AP...

Political party in Saint Vincent and the Grenadines Unity Labour Party LeaderRalph GonsalvesFounded16 October 1994; 29 years ago (1994-10-16)IdeologyDemocratic socialism[1]Left-wing nationalism Socialism of the 21st centuryAnti-imperialism[2]RepublicanismPolitical positionLeft-wingRegional affiliationCOPPPAL (observer)[3]Foro de São Paulo (affiliate)International affiliationSocialist International (1994–2014)[4]Seats in the House of As...

 

 

  لمعانٍ أخرى، طالع برانسون (توضيح). برانسون     الإحداثيات 36°38′16″N 93°15′18″W / 36.637777777778°N 93.255°W / 36.637777777778; -93.255  تاريخ التأسيس 1882  تقسيم إداري  البلد الولايات المتحدة[1][2]  التقسيم الأعلى ميزوري  خصائص جغرافية  المساحة 53.995285 كيلومت�...

 

 

Chinese poet and historian In this Chinese name, the family name is Qian. Qian QianyiBorn(1582-10-22)October 22, 1582Changsu, South Zhili, Ming EmpireDiedJune 17, 1664(1664-06-17) (aged 81)Changsu, Jiangnan, Qing EmpirePolitical partyDonglin movementSpouseLiu RushiParent(s)Qian Shiyang Lady GuRelativesQian Liu (ancestor)Qian Shunshi (grandfather) Qian Qianyi (traditional Chinese: 錢謙益; simplified Chinese: 钱谦益; pinyin: Qián Qiānyì; Wade–Giles: Ch'ien Ch'ien...

Imperial Japanese Navy Type A1 submarine I-10 at Penang in 1942. History Empire of Japan NameI-10 BuilderKawasaki, Kobe Laid down7 June 1938 Launched20 or 29 September 1939 (see text) Commissioned31 October 1941 FateSunk 4 July 1944 Stricken10 October 1944 Service record Commanders: Kayahara Yasuchika[1] 31 October 1941 – 15 September 1942 Yamada Takashi 15 September 1942 – 15 April 1943 Tonozuka Kinzo 15 April 1943 – 18 January 1944 Nakajima Seiji 18 January 1944 – ...

 

 

EvermoreAlbum studio karya Taylor SwiftDirilis11 Desember 2020 (2020-12-11)DirekamJuli–Desember 2020Studio Kitty Committee (Los Angeles) Long Pond (Hudson Valley) Scarlet Pimpernel (London) Rumah Ariel Rechtshaid (Los Angeles) Genre Rock alternatif folk-pop chamber rock Durasi60:38LabelRepublicProduser Aaron Dessner Taylor Swift Jack Antonoff Bryce Dessner Kronologi Taylor Swift Folklore: The Long Pond Studio Sessions (From the Disney+ Special)(2020) Evermore(2020) Fearless (Taylor...

 

 

Kembali kehalaman sebelumnya