II. Definitions
- Trachyonychia
- Striations due to aging
- Associated with sandpaper appearance to nail
- 20-nail Dystrophy
- Diffuse Trachyonychia involving all nails
III. Causes: Diffuse Trachyonychia (20-nail Dystrophy)
IV. Types: Longitudinal Lines
-
Nail Splinter Hemorrhage
- Subacute Bacterial Endocarditis
- May also be caused by Oral Contraceptives, Psoriasis, cancer, Rheumatologic Disorders, Trauma
- Median Nail Groove causes
- Habit tics
- Self-limiting dystrophy of Heller
- Dark pigmented longitudinal lines (Melanonychia)
- Vertical Nail Bands (Longitudinal Melanonychia)
- Normal variant in patients with dark-skin
- Subungual Melanoma (also seen with dark-skin)
- See Melanonychia
- Vertical Nail Bands (Longitudinal Melanonychia)
V. References
Images: Related links to external sites (from Bing)
Related Studies
| Concepts | Disease or Syndrome (T047) |
| SnomedCT | 85136002, 267861009, 34901000009102 |
| Dutch | onychorrhexis, lengtestrepen op de nagel |
| French | Onychorrhexie, Stries longitudinales des ongles |
| German | Onychorrhexis, Laegnsstreifen an den Naegeln |
| Italian | Onicoressi, Striature longitudinali delle unghie |
| Portuguese | Onicorréxis, Estrias longitudinais das unhas |
| Spanish | Onicorrexis, Estriaciones longitudinales de las uñas, onicorrexis (trastorno), onicorrexis, surcos longitudinales de la uña (trastorno), surcos longitudinales de la uña |
| Japanese | 爪甲縦裂症, ｿｳｺｳｼﾞｭｳﾚﾂｼｮｳ, ｿｳｼﾞｭｳﾚﾂ, 爪縦裂 |
| English | onychorrhexis, onychorrhexis (brittle nail), onychorrhexis (physical finding), brittle nail, onychorrhexis was noted, Longitudinal split nail, Nail longitudinal striations, Broken claw, Broken nail (disorder), Broken nail, Onychorrhexis, Fractured toenail, Longitudinal split of nail, Longitudinal split nail (disorder) |
| Czech | Lámavost nehtu, Longitudinální rýhování nehtu |
| Hungarian | Onychorrhexis, Longitudinalis köröm vonalak |
Ontology: Twenty nail dystrophy (C0406443)
| Concepts | Congenital Abnormality (T019) , Disease or Syndrome (T047) |
| MSH | C562907 |
| SnomedCT | 238719003 |
| English | twenty nail dystrophy (diagnosis), twenty nail dystrophy, ONYCHODYSTROPHY TOTALIS, ISOLATED, trachonychia, NDNC1, TWENTY-NAIL DYSTROPHY, NAIL DISORDER, NONSYNDROMIC CONGENITAL, 1, Onychodystrophy Totalis, Isolated, Twenty-Nail Dystrophy, Trachonychia, Twenty nail dystrophy (disorder), Twenty nail dystrophy |
| Spanish | distrofia de las veinte uñas (trastorno), distrofia de las veinte uñas, traquioniquia |
Ontology: Trachyonychia (C0546956)
| Concepts | Finding (T033) |
| SnomedCT | 69192004, 271769009, 201126003 |
| English | Fragilitas unguium, Nail(s) Brittle, Trachyonychia, BRITTLE NAILS, brittle nails, brittle nails (symptom), Broken nails, brittle nail, Breaking;nail(s), Brittle;nail(s), onychoclasis, trachyonychia, breaking nails, nails breaking, fragilitas unguium, nails brittle, breaking nail, Nail(s) brittle, Brittle nails, Trachyonychia (disorder), brittle nail(s), Onychoclasis |
| Dutch | onychoclasis, brosse nagels, gebroken nagels |
| French | Onychoclasie, Ongles cassants, FRAGILITE UNGUEALE, Ongles cassés |
| German | Onychoklasie, bruechige Naegel, Gebrochene Naegel |
| Italian | Onicoclasia, Fragilità ungueale, Unghie spezzate |
| Portuguese | Onicloclasia, Unhas quebradiças, UNHAS QUEBRADICAS, Unhas partidas |
| Spanish | Onicoclasia, Uñas frágiles, Uñas rotas, fragilidad ungueal, traquioniquia (trastorno), traquioniquia, uñas frágiles (trastorno), uñas frágiles, uñas quebradizas |
| Japanese | 爪破損, 脆弱爪, ﾂﾒﾊｿﾝ, ｾﾞｲｼﾞｬｸｿｳ, ｿｳﾊｿﾝ |
| Czech | Křehké nehty, Zlomení nehtu, Zlámané nehty |
| Hungarian | Törött körmök, Töredező körmök, Onychoclasis |
