IJAR.2016.514
Type of Article: Original Research
Volume 5; Issue 1 (February 2017)
Page No.: 3505-3509
DOI: https://dx.doi.org/10.16965/ijar.2016.514
STUDY OF INCIDENCE AND OSSIFICATION OF SESAMOID BONES IN HANDS OF SOUTH INDIAN POPULATION
Archana. A *1, Sreelatha Sanakkayala 2, Hima Bindu Nalluri 3, Rajani Santhakumari Nagothu 4.
*1 Assistant Professor, Department of Anatomy, Medciti Institute of Medical Sciences, Hyderabad, Telangana, India.
2 Professor, Department of Anatomy, Mallareddy Medical College for Women, Hyderabad, Telangana, India.
3 Professor and Head, Department of Anatomy, Medciti Institute of Medical Sciences, Hyderabad, Telangana, India.
4 Assistant Professor, Department of Physiology, Medciti Institute of Medical Sciences, Hyderabad, Telangana, India.
Address for Correspondence: Dr. Archana. A, Assistant Professor, Department of Anatomy, Medciti Institute of Medical Sciences, Hyderabad, Telangana, India. E-Mail: archu.konduri@gmail.com
ABSTRACT
Introduction: The word Sesamoid bone is attributed to “Galen” who described small bones of hands and feet which resembled the seed of the “Sesamum Indicum ”an ancient East Indian plant used for purging by the Greeks. The mechanical role of sesamoid bones is to protect the tendon from damage and in some cases increase the efficiency or mechanical advantage of associated muscle. They begin as cartilaginous nodules that undergo endochondral ossification during early to late childhood. There is a rather extensive variability in the reported incidence of sesamoid bones in the hand within different ethnic groups and populations.
Materials and Methods: The present study was a retrospective review of 99 plain AP and Lateral view radiographs of 82 adults (54males and 28 females >17years of age)and 17 children (males and females<17 years)attending the Radiology department of Gandhi Hospital/Gandhi Medical College during 2011-2012 to assess the location, incidence and ossification of sesamoid bones in the hands of South Indian population.
Results: The most common incidence of sesamoid bones was found at the MCP and IP joints of thumb (97.4% and 41.5%) respectively, followed by 5th digit (16.25%)and least incidence was found at the 4th digit(0%).Ossification commenced first in the thumb at 12 years in females and 14 years in males and ended at the age of 16 years in both sexes.
Conclusion: This anatomical data can help the physicians and surgeons in the diagnosis and management of disorders of sesamoid bones.
Key words: Sesamoid bones, Metacarpophalangeal Joint, Proximal Interphalangeal Joint, Distal Inerphalangeal Joint.
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