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  Table of Contents  
Year : 2014  |  Volume : 24  |  Issue : 5  |  Page : 330

Half-and-half nails

Department of Nephrology, Sawai Man Singh Hospital, Jaipur, Rajasthan, India

Date of Web Publication11-Sep-2014

Correspondence Address:
K Gandhi
Department of Nephrology, Sawai Man Singh Hospital, Jaipur - 302 004, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-4065.133038

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How to cite this article:
Gandhi K, Prasad D, Malhotra V, Agrawal D. Half-and-half nails. Indian J Nephrol 2014;24:330

How to cite this URL:
Gandhi K, Prasad D, Malhotra V, Agrawal D. Half-and-half nails. Indian J Nephrol [serial online] 2014 [cited 2023 Feb 3];24:330. Available from:

A 65-year-old male with type 2 diabetes diagnosed 11 years ago presented with 1 month of persistent malaise, nausea and decreased appetite. Other medical problems include hypertension diagnosed 5 years ago. His physical examination was unremarkable except for pallor and mild peripheral edema. He also had evidence of other chronic complications of diabetes including neuropathy and retinopathy. His fingernails showed a distinctive [Figure 1] distal pinkish transverse band occupying approximately 1/3 rd total nail length with proximal dull white appearance [Figure 2]. A diagnosis of "half and half nails" was made. His laboratory investigation revealed hemoglobin 10.5 g/dl, blood urea 311 mg/dl, creatinine 11.98 mg/dl, sodium 132 mEq/L, potassium 6.8 mEq/L, blood sugar 212 mg/dl. Urine showed 2+ albumin. Ultrasound of the abdomen revealed bilateral small kidneys. He was initiated on a regular hemodialysis program.

First described in 1964 by Bean, [1] half-and-half nails or Lindsay's nails are seen in 20-50% of hemodialysis patients. [2] They are characterized by red, pink or brownish discoloration of distal 20-60% nail with a dull, whitish, ground-glass appearance of the remaining nail. [2] The distinction remains even after constricting the venous return from the nail bed. It can affect a single or all nails of fingers and/or toes. The mechanism of half and half nails is still unclear. There is no known correlation of this finding with the severity or duration of renal failure. [3] It does not improve after hemodialysis, however, may regress after renal transplantation. [4]
Figure 1: Arrow showing line of demarcation

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Figure 2: Half and half nails

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  References Top

1.Bean WB. Nail growth. A twenty-year study. Arch Intern Med 1963;111:476-82.  Back to cited text no. 1
2.Lindsay PG. The half-and-half nail. Arch Intern Med 1967;119:583-7.  Back to cited text no. 2
3.Tercedor J, López Hernández B, Manuel Ródenas J. Nail diseases in haemodialysis patients: Case-control study. Br J Dermatol 2001;144:445-6.  Back to cited text no. 3
4.Alston H, Burns A. Half and half nails. NDT Plus 2011;4:361.  Back to cited text no. 4


  [Figure 1], [Figure 2]

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