10-06-2005

La forma de melanoniquia más conocida es la longitudinal o estriada (striata-ingles).
Se ha informado la variedad transversa, secundaria al uso de hidroxiurea, corriente de electrones, terapia de rayos x convencional , PUVA, infliximab, zidovudina, antimalaricos y agentes quimiotrapéuticos.

1-Transverse melanonychia secondary to total skin electron beam therapy: a report of 3 cases. J Am Acad Dermatol. 2005 Aug;53(2 Suppl 1):S112-4.
2- Supravenous hyperpigmentation, transverse leuconychia and transverse melanonychia after chemotherapy for Hodgkin's disease.
J Eur Acad Dermatol Venereol. 2002 Mar;16(2):162-3.
3- Longitudinal, transverse, and diffuse nail hyperpigmentation induced by hydroxyurea.
J Am Acad Dermatol. 1999 Aug;41(2 Pt 2):333-4.
4- Nail changes in patients infected with human immunodeficiency virus. A prospective controlled study.
Arch Dermatol. 1998 Oct;134(10):1216-20.
5-Coexistence of apparent transverse leukonychia (Muehrcke's lines type) and longitudinal melanonychia after 5-fluorouracil/adriamycin/cyclophosphamide chemotherapy.
Dermatology. 1992;185(3):216-7.
6- TRANSVERSE BANDS IN FINGERNAILS. SINGLE TRANSVERSE STRIATE LEUKONYCHIA OR MELANONYCHIA.
Bull Johns Hopkins Hosp. 1964 Sep;115:238-44.

Martha Cecilia Heras Veloz.
Guayaquil, Ecuador

Jairo Mesa Cock