The Prevalence of Agenesis of Palmaris Longus Muscle amongst Students in Two Lagos-Based Medical Schools
Palmaris longus (PL) muscle, although of little functional use to the human upper limb, assumes great importance when used as a donor tendon for transfer or transplant. The surgeon's awareness of the incidence in a population is therefore desirable. In the present study, 500 Medical students (2...
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| Autores principales: | , , |
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| Lenguaje: | English |
| Publicado: |
Sociedad Chilena de Anatomía
2010
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| Materias: | |
| Acceso en línea: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022010000300029 |
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| Sumario: | Palmaris longus (PL) muscle, although of little functional use to the human upper limb, assumes great importance when used as a donor tendon for transfer or transplant. The surgeon's awareness of the incidence in a population is therefore desirable. In the present study, 500 Medical students (242 males and 258 females) of ages 16 to 40 years from both College of Medicine of the University of Lagos, Idi-Araba and Lagos State University College of Medicine, Ikeja were examined for the presence or absence of the PL tendon, using the conventional (Schaffer's) test. The prevalence and pattern of PL agenesis was further analyzed statistically for differences in the prevalence or pattern of PL agenesis with regard to body side or sex. The prevalence of PL agenesis was found to be 12.6% (8% Unilateral and 4.6% Bilateral). Out of those with unilateral agenesis, 20 (4%) had left-sided agenesis and 20 (4%) had right-sided agenesis. Although female subjects had a prevalence of agenesis of PL tendon (Unilateral and Bilateral combined) of 36 out of 258, (13.95%) while in male subjects this prevalence was 23 out of 242 (9.5%). The prevalence of PL muscle agenesis in this study was found to be much higher than the reported average for blacks (2-3%). |
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