Medicine
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This repository contains the published and unpublished research of the Faculty of Medicine by the staff members of the faculty
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Item The anatomical relationship of the parotid duct to the buccal and zygomatic branches of the facial nerve: a Sri Lankan cadaveric study(Sri Lanka Medical Association, 2017) Padeniya, A.G.P.M.; Salgado, M.K.R.; Mendis, B.M.I.U.; Salvin, K.A.; Fernando, E.P.D.S.; Salgado, S.S.INTRODUCTION & OBJECTIVES: The aim of this study was to demonstrate the anatomical relationship of the parotid duct to the buccal and zygomatic branches of the facial nerve and provide information to preserve these structures in parotid surgeries. METHODS: Fifteen cadavers (20 parotid areas) were dissected at the Anatomy Department, Faculty of Medicine, University of Kelaniya to demonstrate the pathway of the parotid duct and course of the buccal and zygomatic branches of the facial nerve. Twelve Anatomical parameters were measured by a flexible tape. RESULTS: Of 20 specimens, two (10%) had two buccal branches, two (10%) had two zygomatic branches, one had an accessory parotid gland, one had an accessory parotid duct. Mean parotid duct length was 34.88mm (SD-6.31, CV-18.09). Mean distance between the beginning of the parotid duct and the point at which the zygomatic nerve crossed the duct was 19.36mm (SD-6.82, CV-35.19%). The average distance between the lateral canthus and intersection point of the zygomatic nerve and duct was 52.45mm (SD-3.15, CV-6.05%). Mean distance between the zygomatic arch and the above intersection point was 20.73mm (SD-2.49, CV-12.01%). CONCLUSION: The reliable measurement in our study with the smallest coefficient variation was the distance between the lateral canthus and intersection point of the zygomatic nerve and parotid duct; 52.45mm. Thus the intersection point of the zygomatic nerve and duct lies between 46.15 - 58.75mm from the lateral canthus. If two circles are drawn with radii of 46.15mm and 58.75mm from the lateral canthus the duct will mark a segment along its pathway, within which 95% confidence the intersection point with the zygomatic branch will lie.Item The uses of dermatoglyphics in kidney diseases: a systematic review(Faculty of Medicine, University of Kelaniya, Sri Lanka, 2016) Wijerathne, B.T.B.; Meier, R.J.; Salgado, S.S.; Agampodi, S.B.BACKGROUND: Kidney disease causes significant global burden with high mortality and morbidity. Dermatoglyphic has been used as a non- invasive diagnostic tool to detect or predict different medical conditions that has foetal origin. However, a scarce number of studies have evaluated a dermatoglyphic relationship in different kidney diseases. OBJECTIVE: The aim of this review was to systematically identify, review and appraise literature and evaluate the association of different dermatoglyphic variables with different types of kidney diseases. METHODS: This review is reported according to PRISMA checklist. The PubMed, POPLINE, Cochrane Library, Trip Database, OpenGrey and Google Scholar databases were searched to earliest date to 17 April 2014. Of the 36 relevant publications, 15 (5 case reports, 7 cases series and 3 comparative studies) were included in the review. RESULTS: Possible association of dermatoglyphic with Wilms tumor (WT) had been evaluated in 2 comparative studies and one case series and found low occurrence of whorls and total ridge count (TRC). Another study evaluated adult polycystic kidney disease (APCD) which revealed lower TRC in cases. All other studies described dermatoglyphics in various kidney diseases without any significant associations. CONCLUSIONS: It is evident that whorl pattern and TRC have been used to investigate the uncertainty related to origin of several kidney diseases, such as, WT and APCD type III. However, limited sample size and/or inconsistency between cases and control groups confines interpretation of any significant findings. Future dermatoglyphics studies with proper protocols and adequate sample sizes may provide stronger evidence to resolve uncertainty related to the etiology of kidney diseases.