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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/12/13 19:35:54」(JST)

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Paronychium, or the "lateral nail fold", is the soft tissue surrounding the border of the fingernail or toenail. It keeps anything from getting underneath the nail, causing an infection^[1]

Clinical significance

This tissue can become infected around an ingrown toenail or finger nail. The resulting infection is termed paronychia.

References

^ Wang QC, Johnson BA (2001). "Fingertip injuries". Am Fam Physician 63 (10): 1961–6. PMID 11388710.

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1. 爪の手術の原則および概要 principles and overview of nail surgery
2. 爪疾患の概要 overview of nail disorders

English Journal

Nail toxicities induced by systemic anticancer treatments.

Robert C1, Sibaud V2, Mateus C3, Verschoore M4, Charles C5, Lanoy E6, Baran R3.
The Lancet. Oncology.Lancet Oncol.2015 Apr;16(4):e181-9. doi: 10.1016/S1470-2045(14)71133-7.
Patients treated with systemic anticancer drugs often show changes to their nails, which are usually well tolerated and disappear on cessation of treatment. However, some nail toxicities can cause pain and functional impairment and thus substantially affect a patient's quality of life, especially if
PMID 25846098

No such thing as "just" a nail bed injury.

Fairbairn N1.
Pediatric emergency care.Pediatr Emerg Care.2012 Apr;28(4):363-5. doi: 10.1097/PEC.0b013e31824d9d57.
Nail bed injuries are the commonest pediatric hand injuries presenting to the emergency department. If managed correctly, the patient recovers quickly and complications are rare. However, failure to appreciate the complex anatomy of the perionychium and the importance of exploration, washout, and re
PMID 22472652

Reconstruction of the burnt perionychium: literature review and treatment algorithm.

Goutos I1, Jennings CL, Pandya A.
Journal of burn care & research : official publication of the American Burn Association.J Burn Care Res.2011 Jul-Aug;32(4):451-7. doi: 10.1097/BCR.0b013e3182223cc7.
Nail apparatus deformities associated with burn injuries can cause significant functional and aesthetic concerns. The majority of perionychial deformities result from eponychial retraction and scarring, whereas a minority are due to direct damage to the regenerative part of the nail complex. A varie
PMID 21646914

Japanese Journal

症例報告手指後爪郭部に生じた基底細胞癌の1例

臨床皮膚科 65(2), 141-144, 2011-02
NAID 40018714192

Der papillarkorper und die kapillaren des perionychium

Zeitschrift fur Zellforschung 42, 213-228, 1955
NAID 30013191049

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