Standard Operating Procedures

Histopathology & Organ Pathology

Table of Contents

1.0 Introduction

1.1 Phenotyping flow chart

1.2 Transport and deliveries

1.3 Animal and Tissue investigation request and information form

2.0 First line Phenotyping/Necropsy

2.1 APN necropsy terms

2.2 Animal euthanasia

2.3 Preoperative examination

2.4 Necropsy and organ list notes form

2.5 First Incision and Lymph Node Dissection

2.5.1 Diagram 1 - First Incision

2.5.2 Diagram 2 - Location of Lymph Nodes

2.5.3 Table 1 - Lymph Node Map

2.6 Mammary Tissue Dissection

2.6.1 Diagram 3 - Mammary Tissue Location

2.7 Anatomy after Peritoneal Wall Incision

2.7.1 Diagram 4 - Peritoneal Wall Incision and Organs

2.8 Urogenital System

2.8.1 Diagram 5 - Female and Male Urogenital Systems

2.9 Gastrointestinal Examination

2.9.1 Diagram 6 - Gastrointestinal Tract

2.10 Kidney and Adrenal Examination

2.10.1 Diagram 7 - Anatomy of the Mouse Kidney

2.10.2 Diagram 8 - Sternum Removal and Liver

2.11 Lungs and Thoracic Organs Examination

2.11.1 Diagram 9 - Lungs and Thoracic Organs

2.12 Mouse Heart Examination

2.12.1 Diagram 10 - Heart and Principle Arteries and Veins

2.13 Mouse Brain Examination

2.13.1 Diagram 11 - Mouse Brain Anatomy

2.14 Bone Examination

2.15 Mouse Eye Examination

3.0 Fixation

3.1 Fixation by Perfusion

3.2 EHS

4.0 Tissue Processing and Sectioning

5.0 Embedding and Orientation

6.0 Preliminary Histological Stains

6.1 Haematoxylin and Eosin

6.2 Masson’s Trichrome (Modified)

6.3 Luxol Fast Blue

7.0 Second Line Phenotyping/Targeted Histological Stains

7.1 Periodic Acid Schiff’s Reaction PAS for Glycogen

7.2 Congo Red for Amyloid

7.3 Verhoeff Van Gieson for Collagen and Elastic Fibres

7.4 Perl’s Prussian Blue Method

8.0 Targeted Secondary Stains

9.0 Reports

9.1 Document 2- APN Histopathology and Organ Pathology Report

9.2 Document 3- Histology Observation Report

10.0 Imaging

11.0 Charges

11.1 Necropsy charge schedule

11.2 Zeiss digital slide scanner charge schedule

11.3 Digital slide scanner booking and priority schedule

11.4 Meta and Pascal charge schedule

11.5 Confocal booking and priority Schedule