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CLINICAL STUDIES
Year : 1998  |  Volume : 64  |  Issue : 3  |  Page : 144-145

Nail changes in systemic diseases : a clinical study of 435 cases


Department of Dermatology and Venereology, Wenlock District Hospital, Mangalore - 575 001

Correspondence Address:
Sachith Abraham
Department of Dermatology and Venereology, Wenlock District Hospital, Mangalore - 575 001

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Source of Support: None, Conflict of Interest: None


PMID: 20921746

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  Abstract 

Nail changes often are reflectors of an internal disease. Four hundred and thirty-five patients admitted in the Medical, Surgical and Obstetric and Gynaecology wards were studied. Nail changes were seen in 134 which included clubbing (21.3%) longitudinal melanonychia (17.2%) and platonychia (14.2%). In patients with HIV associated pulmonary tuberculosis, clubbing was associated with an unique red "crescent sign".



How to cite this article:
Abraham S, Kamath N, Pai GS, Pinto J, Kuruvilla M. Nail changes in systemic diseases : a clinical study of 435 cases. Indian J Dermatol Venereol Leprol 1998;64:144-5

How to cite this URL:
Abraham S, Kamath N, Pai GS, Pinto J, Kuruvilla M. Nail changes in systemic diseases : a clinical study of 435 cases. Indian J Dermatol Venereol Leprol [serial online] 1998 [cited 2020 Jun 2];64:144-5. Available from: http://www.ijdvl.com/text.asp?1998/64/3/144/4675



  Introduction Top


Nail abnormalities secondary to systemic diseases are important because they may be the initial sign of an underlying systemic disease. Systemic drugs may also affect the nails. The changes may vary from mild pigmentation abnormalities to onycholysis and nail shedding. Pigmentary abnormalities are usually due to antibiotics, anticancer drugs and antimatarials. Present study included 435 randomly selected patients from the Medical, Surgical and Obstertic and Gynaecology wards (OB and G).


  Materials and Methods Top


Four hundred and thirty-five patients were studied between January '96 and July '97. They were randomly selected in-patients from Medical (175), Surgical (162) and OB & G wards (98). History elucidated included details of current illness, various therapeutic schedules adopted and the evolution of nail changes. Systemic examination was followed by a detailed examination of the nail apparatus, at a regular interval of 6 months. Relevant laboratory investigations were also done.

In the Medical ward among 175 patients studied, 62 showed nail charges. They included clubbing (38%), melanonychia (16%) and platonychia (14%).

Others (32%) included, subungual haematoma, leukonychia striata, red crescent sign, chronic paronychia, white nails, bitten nails, onychomycosis, median nail dystrophy, arrested nail growth, cyanosed nail bed and onycholysis.

In the surgical wards among 162 examined 42 showed nail changes which included melanonychia (19%) clubbing (14%) and platonychia (11%).

Others included, leukonychia striata, leuknoychia punctata, chronic paronychia, subungual heaematoma, longitudinal ridging, pitting, red crescent nail, brittle nail and blue lunula.

In the OB and G ward, out of 98 patients examined 30 were found to have nail changes that included chronic paronychia (16%). and melanonychia (16%)

Others included, leukonychia punctata, leukonychia striata, onychomycosis, pitting, subungual haematoma, longitudinal ridging, pterygium and clubbing.


  Discussion Top


One hundred and thirty-four patients (30.8%) of the total 435 subjects studied showed nail changes. The most frequent nail changes seen were clubbing (23.1%), longitudinal melanonychia (17.2%) and platonychia (14.2%). In the medical wards, clubbing was seen in 24 patients, 8 of which were secondary to pulmonary tuberculosis. A subgroup (3 patients) of these with associated HIV infection showed an interesting nail finding-"a red crescentic band in the distal nail bed" which may be mistaken for the half and half nail. These patients also had normal renal function tests.

In half- and half nail, a well-demarcated line separates the nail plate into a proximal dull white portion and a distal red half.[1] This occurs in 10% of patients with chronic renal failure and is unrelated to the severity of uraemia.[2]

Retrospective literature studies show an unpublished communication about an apparent increase in erythematous crescents in HIV positive patients whose intensity was directly proportional to the illness of the patients.[3]

Further specific studies are necessary to confirm the significance of the red cresent sign in patients with HIV and lung disease especially pulmonary tuberculosis. The same may be an indicator of indolent pulmonary tuberculosis.

 
  References Top

1.Lindsay PG. The half and half nail. Arch Intern Med 1967;119:583-585.  Back to cited text no. 1  [PUBMED]  [FULLTEXT]
2.Daniel CR, Bower JD, Daniel CR Jr. The half and half finger nail. A clue to chronic renal failure. Mississipi State Med Assoc 1975;16:367-370.  Back to cited text no. 2    
3.Daniel III CR, Norton L, Scher R. The spectrum of nail disease in patients with human immunodeficiency virus infection, J Am Acad Dermatol 1992;27:93-96.  Back to cited text no. 3    




 

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