Microscopic Study on the Diameter of the Pineal Calcification of Bangladeshi Cadavers

H. Afroz, A. S. M. Nurunnabi, S. Ara, Mushfika Rahman, T. Yesmin, A. Ara, K. Fatema, N. Nahar
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Abstract

Context: The human pineal gland is characterized by the presence of calcified concretions, called ‘pineal acervuli’ or brain sand. These are basophilic extracellular bodies. The study was carried out to describe the microscopic features of pineal calcifications and to find out age related changes. Study Design: Cross sectional descriptive type of study. Place and period of study: Department of Anatomy, Dhaka Medical College, Dhaka, from July 2009 to June 2010. Materials : 60 postmortem human pineal glands were collected from unclaimed dead bodies that were under examination in the morgue of Department of Forensic Medicine, Dhaka Medical College, Dhaka. Methods: The samples were divided into four different age groups, i.e. Group-A (15-30 years), Group-B (31-40 years), Group-C (41-50 years) and Group-D (>50 years). Histological study was carried out on relatively 27 fresh samples. Results: The mean diameter of the pineal calcifications were 351.14±111.69 μm in group A, 600.00±232.69 μm in group B, 909.43±124.18 μm in group C and 1541.67±224.54 μm in group D. The differences in diameter of the pineal calcifications between group A & C, A & D, B & C, B & D and C & D were statistically significant. Conclusion: Age related changes were found in the diameter of pineal calcifications. DOI: http://dx.doi.org/10.3329/bja.v9i2.15220 Bangladesh Journal of Anatomy 2011 Vol.9(2) pp.71-74
孟加拉尸体松果体钙化直径的显微研究
背景:人类松果体的特征是存在钙化的结块,称为“松果体尖峰”或脑砂。它们是嗜碱性的胞外体。本研究旨在描述松果体钙化的显微特征,并找出与年龄相关的变化。研究设计:横断面描述性研究。学习地点和时间:2009年7月至2010年6月,达卡医学院解剖系。材料:在达卡医学院法医学系太平间检查的无人认领的尸体上收集了60具死后人类松果体。方法:将样本分为a组(15 ~ 30岁)、b组(31 ~ 40岁)、c组(41 ~ 50岁)和d组(>50岁)4组。对27个新鲜标本进行组织学研究。结果:A组、B组、C组和C组的平均钙化直径分别为351.14±111.69 μm、600.00±232.69 μm、909.43±124.18 μm和1541.67±224.54 μm。A组和C组、A组和D组、B组和C组的平均钙化直径差异均有统计学意义。结论:松果体钙化直径的变化与年龄有关。DOI: http://dx.doi.org/10.3329/bja.v9i2.15220孟加拉解剖学杂志2011卷9(2)页71-74
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