Pathology Practical Book Harsh Mohan
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1PATHOLOGY PRACTICAL BOOK2
3PATHOLOGY PRACTICAL BOOK
SECOND EDITION
Harsh Mohan MD, MNAMS, FICPath, FUICC Professor & Head Department of Pathology Government Medical College Sector-32 A, Chandigarh -160030 INDIA & Editor-in-Chief The Indian Journal of Pathology & Microbiology E mail: drharshmohan@yahoo.com
4Published by
Jitendar P Vij
Jaypee Brothers Medical Publishers (P) Ltd
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Pathology Practical Book
© 2007, Harsh Mohan
All rights reserved. No part of this publication and CD ROM should be reproduced, stored in a retrieval system, or transmitted in any form or by any means: electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the author and the publisher.
First Edition : 2000
Second Edition : 2007
Assistant Editors : Praveen Mohan, Tanya Mohan, Sugandha Mohan
9788180619052
Typeset at JPBMP typesetting unit
Printed at Gopsons Papers Ltd, Sector 60, Noida
To my wife Praveen, for her profound love and devotion; and our daughters: Tanya and Sugandha, for their abiding faith.
6
7Preface to the Second Edition
The revision of Pathology Practical Book (first published in 2000) had become overdue because 5th edition of my Textbook of Pathology has already been there with users since 2005, and it is imperative that the practical book parallels in advancements of material and presentation with its senior counterpart. The aim for the revised edition remains the same as in the previous edition of practical book and is outlined below:
Firstly, there have been several voluminous reference books and coloured atlases on various aspects of laboratory medicine separately such as on techniques, clinical pathology, cytopathology, general and systemic pathology, haematology and autopsy pathology etc; each one of them deals with these subjects in fair detail but generally remain much beyond the requirements and comprehension of undergraduates.
Secondly, I have learnt from my own experience in teaching over the years as well as known from colleagues by mutual discussion that there is quite a lack of uniformity in teaching of practical pathology to undergraduates in different institutions within the country as well as amongst different staff members within the same department in an institution— some teaching ‘too much’ in the limited time meant for learning skills while others teach ‘too little’.
Thirdly, it is observed that in order to learn practical pathology, the students bank upon main Textbook of Pathology which is in no way complete as regards requirement for practicals in pathology for undergraduates are concerned; hence the need for a comprehensive text of Pathology Practical Book.
Some of the Key Features of the Second Edition are as follows:
Organisation of the Book: The revised edition of the book is divided into seven sections namely: Techniques in Pathology, Clinical Pathology, General Pathology, Systemic Pathology, Cytopathology, Haematology and Autopsy Pathology, besides Appendix on Normal Values. Each section is independent and self-contained and is preceded by a page of Section Objectives and Section Contents, besides highlighting outstanding contribution of an eminent Pathologist in that subspecialty to stimulate the interest of students in the history of Pathology. The basic style of presentation in the revised edition has been retained, i.e. exercise-based teaching as would happen in the routine weekly pathology practical class of undergraduate students. These exercises are further systematically organised based on organ systems and topics.
Expanded and Updated Contents: Present edition of the book has 58 Exercises compared to 53 in the previous edition. Besides, there have been changes and insertions of newer slides in many exercises. These additions were considered essential keeping in view the contemporary concepts on learning of basic pathology of diseases. The material in each exercise has been thoroughly revised and updated laying emphasis on further clarity and accuracy of the text and images. The book lays emphasis on honing of practical skills in the students for laboratory techniques and on learning gross and microscopic pathology. Thus, the description of the topic/disease is largely on applied aspects while theoretical details have been kept out so as not to lose the main focus.
Figures: All the illustrations in the revised edition of the book are new and are more numerous now; all these are now in colour. Previous black and white line sketches of gross pictures have been replaced with clicked photographs of representative museum specimens. Likewise, all the changed photomicrographs have new corresponding coloured and labeled line sketches across them. There are also many additional photos of instruments commonly used in a modern pathology laboratory. These major changes coupled with digital technology in photography have enhanced the readability and have given a pleasing look to the book.
CD on CPCs: Another innovative features of the revised edition is addition of a chapter on Clinico-pathologic Conferences (CPCs) and its corresponding CD containing ten structured CPCs. Since CPCs are included in the curriculum of undergraduate students, it was considered prudent to include ten CPCs pertaining to different organ 8systems in CD format with the book. Each of these ten CPCs on the CD is a corollary of a case and includes its clinical data, pathologic findings at autopsy including pictures of organs and corresponding microscopic findings, and is concluded with final autopsy diagnosis and cause of death in a particular case.
In essence, the new edition provides a wholly revised material of text and illustrations, all in colour in a highly presentable and attractive format, along with bonus of CD on ten CPCs. The revised edition should meet not only the aspirations of undergraduate students of medicine and dentistry but also those pursuing alternate streams of medicine and paramedical courses. However, the present practical book certainly cannot be used as the main source material for learning Pathology since the description of diseases/topics is in no way complete, for which the readers should refer to the main textbook by the author. Thus these two books may remain complementary to each other but cannot substitute each other.
 
ACKNOWLEDGEMENTS
I owe gratitude to all my colleagues in general for their valuable suggestions and healthy criticism from time to time, and to my young colleagues in the department in particular who have sincerely and ably helped me in revision of some chapters. In this respect, I profusely thank Dr. Shailja (for exercises on Techniques in Pathology), Dr. Romilla (for exercises in Clinical Pathology), Dr. Annu Nanda, Dr. Sukant Garg and Dr. Neerja (for exercises in Haematology) and Dr. Tanvi Sood (on exercises in Cytopathology). Besides, Dr. Spinder Gill Samra along with Mr Satish Kaushik, both of my department, have been very helpful in making newer drawings for the revised edition which is gratefully acknowledged. I once again put on record my appreciation for the assistance rendered by Dr RPS Punia, Reader, and Ms Agam Verma, B.Sc, Senior Lab Technician, both of my department, in preparation of some exercises in the previous edition of the book.
During the completion of work on this book, the tactical support and encouragement from the Department of Medical Education & Research, Chandigarh Administration, is gratefully acknowledged.
Finally, I acknowledge sincere thanks to the staff of Jaypee Brothers Medical Publishers (P) Ltd; in general for their liberal support, and Mrs Y Kapur, Senior Desktop Operator, and Mr Manoj Pahuja, Computer Art Designer, in particular in compilation of the text, and in preparation and layout of figures as per my whims and demands. My special thanks are due to Sh. JP Vij, Chairman and Managing Director and Mr Tarun Duneja, General Manager, (Publishing) of M/s Jaypee Brothers Medical Publishers (P) Ltd, for their constant co-operation and for being so supportive in the task of getting the best output in this edition of the book.
Lastly, I have gained profitably by suggestions from users of previous edition of this book and also on my other books. I urge the students and my colleagues to continue writing to me with their suggestions and in pointing out inaccuracies which may have been there inadvertently as that would help me in improving the book further.
Government Medical College
Sector-32A, Chandigarh-160030
INDIA
Harsh Mohan md, mnams, ficpath, fuicc
Professor & Head
Department of Pathology