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African Journal of Biochemistry Research Vol.
1 (4), 054-059, September 2007
© 2007 Academic Journals
Full Length Research Paper
Sickle-cell anaemia in
Nigeria: dermatoglyphic analysis of 90 cases
Oladipo GS*1, Olabiyi O2, Oremosu AA2,
Noronha CC2, Okanlawon AO2 and Paul CU1.
1Department of Anatomy, College of Health Sciences,
University of Port Harcourt , Rivers State, Nigeria
2Department of Anatomy, College of Medicine, University of
Lagos Idi-Araba, Lagos - Nigeria.
*Corresponding author. E-mail:
oladipogabriel@yahoo.com
.Accepted
26th July, 2007 |
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Dermatoglyphic analysis of 90
Sickle-cell Anaemia cases and 90 normal subjects was carried out in this
study. It involved the digital patterns, ATD angle, A – B ridge count,
axial triradius, digital triradius and palmar crease on the hands.
58.44% of the digital patterns in sickle-cell cases were ulnar loop as
against 60.14% in the normals. The percentage of Whorl, arch and radial
loop in Sickle-Cell group were 31.64%, 8.23% and 2.98% respectively as
against 27.47%, 10.43% and 1.98% in the normals. The mean ATD values
were 41o and 40o for the normal and sickle-cell
groups respectively. The mean A – B ridge counts was 33.1 in sickle-cell
group and 33.5 in the normals. No axial triradius was found in tiii
(along the distal transverse crease) position in both groups. Most of
the triradii were found in position ti (along or close to the
thenar crease) in both groups. Only 3.6% of normals and 2.9%
sickle-cell cases were found in tii (along the proximal
transverse crease) position. The mode of the frequency distribution of
digital triradii of normals was 13 while they were 11, 14 and 15 for
sickle-cell group. The means were 11.89 and 12.32 respectively. No
Simean crease was found in both groups; however, 2.2% of the 90
sickle-cell cases had Sidney creases. The above-mentioned values were
not statistically different when the two groups were subjected to
appropriate statistical tests.
Key words:
Dermatoglyphics, sickle-cell anaemia, Nigeria. |
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