| Preface | 5 |
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| Contents | 8 |
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| Contributors | 9 |
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| Understanding and Maintaining the Cryostat | 10 |
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| 1.1 Operation of the Cryostat | 14 |
| 1.2 Specimen Preparation | 14 |
| 1.3 Specimen Orientation | 18 |
| 1.4 Cryostat Disinfection | 18 |
| 1.5 Cryostat Maintenance | 19 |
| 1.5.1 Checklist | 19 |
| Gross Examination of Tissues in the Frozen Section Room | 21 |
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| 2.1 Gross Examination | 22 |
| 2.1.1 Verify Specimen Labeling and Patient Identification | 22 |
| 2.1.2 Review Clinical Information | 22 |
| 2.1.3 Examine and Palpate All External Surfaces of the Specimen Carefully | 23 |
| 2.1.4 Understand the Resection Margins | 23 |
| 2.1.5 Inking Resection Margins | 24 |
| 2.1.6 Application of Ink | 29 |
| 2.1.7 Dissecting and Sectioning the Specimen | 32 |
| 2.1.8 Examining the Cut Specimen | 34 |
| 2.1.9 Taking the Sections for Frozen Sectioning | 36 |
| 2.1.10 Cytology Preparations | 40 |
| Embedding of Tissue for Frozen Section | 44 |
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| 3.1 Traditional Embedding Techniques | 45 |
| 3.1.1 Face Up Embedding | 45 |
| 3.1.2 Pre-freezing Tissue | 47 |
| 3.1.3 Face Down Embedding | 47 |
| 3.2 Face Down Cryoembedding in Well Bars: The Precision Cryoembedding System | 49 |
| 3.3 Apparatus 3.3.1 Embedding Well Bars | 50 |
| 3.3.2 Chucks | 50 |
| 3.3.3 Over-chuck Freezing Blocks | 50 |
| 3.3.4 Dispensing Slides | 52 |
| 3.3.5 Embedding Shelf | 52 |
| 3.4 Face Down Cryoembedding in Well Bars: Technique | 52 |
| 3.5 Face Down Cryoembedding in Well Bars – The Elements in Detail 3.5.1 Use of the Dispensing Slide | 55 |
| 3.5.2 Application of Embedding Medium and Tissue | 56 |
| 3.5.3 Super Flat Embedding | 56 |
| 3.5.4 Looking Through the Dispensing Slide | 56 |
| 3.5.5 Flimsy Tissues and Friction | 57 |
| 3.5.6 Dealing with Multiple Samples | 57 |
| 3.5.7 Use Your Imagination | 58 |
| 3.5.8 Placement of Tissue in the Well | 58 |
| 3.5.9 Using Forceps to Embed | 59 |
| 3.5.10 Standing Tissue on Edge and on Point | 59 |
| 3.5.11 Use of the Flattening Forceps | 60 |
| 3.5.12 Filling the Well with Medium | 60 |
| 3.5.13 Parallel Faces | 61 |
| 3.5.14 Use of the Over-chuck Freezing Block | 62 |
| 3.5.15 Releasing the Block | 62 |
| 3.6 Reducing Freezing Artifact | 63 |
| 3.6.1 Colder Well Bar Temperature | 63 |
| 3.6.2 Pre-chilling Tissue | 63 |
| 3.6.3 Cold Embedding Medium | 63 |
| 3.6.4 Freezing Semi-liquid Samples | 64 |
| 3.6.5 Embedding Snap Frozen Tissue Samples | 64 |
| 3.7 The Cut Off Technique | 64 |
| 3.8 Plastering Technique | 66 |
| 3.9 Paper Embedding | 68 |
| 3.9.1 Paper Embedding Multiple Tissue Sections on Edge: The Book | 70 |
| 3.9.2 Paper Embedding Membrane Roll | 70 |
| 3.9.3 Paper Embedding very Thin Tissues on Face | 70 |
| 3.9.4 Further Details on Paper Embedding | 71 |
| 3.10 Frozen Block Cryoembedding | 73 |
| 3.11 Apparatus 3.11.1 Cutting Board/Freezing Griddle | 73 |
| 3.11.2 Elevated Freezing Block | 74 |
| 3.12 Frozen Block Cryoembedding Technique | 74 |
| 3.12.1 Bowel on the Griddle | 75 |
| 3.13 Frozen Block Cryoembedding Details 3.13.1 Making the Frozen Block | 76 |
| 3.13.2 How Do I Know When the Block Is Frozen? | 77 |
| 3.13.3 Removing the Frozen Block | 77 |
| 3.13.4 Cutting the Frozen Block Fig. 3.22g–i | 77 |
| 3.13.5 Putting the Tissue Pieces in the Wells Fig. 3.22j | 78 |
| 3.13.6 Filling the Well | 78 |
| 3.14 Orienting the Anatomy of Tissue Relative to the Blade | 79 |
| References | 81 |
| Cutting the Frozen Section | 82 |
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| 4.1 Taking Sections on the Cryostat: Brush or Antiroll Device? | 83 |
| 4.2 Continuous Motion Frozen Section Brush Technique 4.2.1 Insert the Chuck and Check the Cryostat | 84 |
| 4.2.2 The Frozen Section Brush | 85 |
| 4.2.3 The Blade | 86 |
| 4.2.4 Body Position | 87 |
| 4.2.5 Holding the Brush | 88 |
| 4.2.6 Trimming the Block | 90 |
| 4.2.7 Cutting the Final Sections | 95 |
| 4.2.8 Retrieving the Section | 98 |
| 4.2.9 Teaching Continuous Motion | 100 |
| Variables Affecting the Cutting Properties of Tissues and the Resulting Artifacts | 103 |
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| 5.1 Temperature of the Block | 104 |
| 5.1.1 Adjusting the Temperature of the Block | 106 |
| 5.1.2 Starting at the Crumple Stage | 108 |
| 5.1.3 Cutting Ribbons | 108 |
| 5.2 Cutting Behavior of Specific Tissues | 108 |
| 5.2.1 Softer Non-fatty Tissues | 108 |
| 5.2.2 Watery Tissues | 108 |
| 5.2.3 Tough Collagenous Tissues | 109 |
| 5.2.4 Bony Hard Tissues | 109 |
| 5.2.5 Necrotic and Liquifactive Tissues | 109 |
| 5.2.6 Fatty Tissues | 110 |
| 5.3 Curling Away | 114 |
| 5.4 How Much Tissue Can be Put in a Single Block? | 116 |
| 5.4.1 The Ability of the Cryostat to Cut Through Large Tough Portions of Tissue | 116 |
| 5.4.2 The Toughness or Hardness of the Tissue | 117 |
| 5.5 Thickness of the Section | 117 |
| 5.5.1 Thick and Thin Sections | 118 |
| 5.6 Stripes and Chatter | 119 |
| Reference | 121 |
| 6.1 Fixation of Frozen Section Slides | 122 |
| Fixation, Staining and Coverslipping of Frozen Section Slides | 122 |
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| 6.2 Air Dried Preparations | 126 |
| 6.3 Staining of Frozen Section Slides | 126 |
| 6.4 H | 126 |
| 127 | 126 |
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| 6.5 Toluidine Blue | 128 |
| 6.6 Special Stains for Intraoperative Consultation | 128 |
| 6.7 What Holds Our Tissue to the Slide and Why Does It Fall Off? | 129 |
| 6.8 Coverslipping | 131 |
| 6.9 Wiping the Slide | 133 |
| References<
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