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Questions and Answers
What is the main purpose of the specimen reception step?
What is the main purpose of the specimen reception step?
What essential feature should the specimen reception room have?
What essential feature should the specimen reception room have?
What is NOT included in the specimen request form?
What is NOT included in the specimen request form?
In what scenario is a single laboratory number assigned to multiple specimens?
In what scenario is a single laboratory number assigned to multiple specimens?
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Which of the following describes the selection step in specimen processing?
Which of the following describes the selection step in specimen processing?
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What is a required characteristic of the cutting board in the selection room?
What is a required characteristic of the cutting board in the selection room?
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Which of the following is NOT mentioned as part of the specimen registration process?
Which of the following is NOT mentioned as part of the specimen registration process?
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Which item is NOT listed as part of the selection room equipment?
Which item is NOT listed as part of the selection room equipment?
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Study Notes
Histopathology Techniques: Reception & Selection
- Reception is a crucial step to ensure consistent specimen handling and registration.
- A designated, separate room with adequate ventilation and lighting is required for this process.
- Specimens need immediate delivery to the lab and proper storage in fixatives.
- Specimens must be accompanied by a fully completed request form containing essential patient details, including name, age, date of birth, sex, clinical history, date and time of collection, type of specimen, and the requesting physician's name. and the number of specimens.
- The specimen container must be labelled with the correct patient information to match the request form.
- Specimens are registered upon acceptance, and a unique lab code/number is assigned.
- Year identification uses a sequential numbering system. Multiple specimens from the same patient on the same day receive a single lab number.
Specimen Selection
- Selection follows specimen reception and involves carefully choosing a representative portion from the larger specimen for processing.
- A macroscopic description of the specimen is needed, recording size, shape, color, weight, texture, and surface appearance. This information is essential for diagnosis.
Selection Room Equipment
- The selection room should have a non-absorbent cutting board.
- Essential tools include forceps, scalpels, knives, saws, dyes, cassettes for tissue storage, weighing scales and a ruler.
Specimen Dissection Plans: Small Samples
- Small samples like biopsies are macroscopically described.
- They can be processed directly as received.
- Wrap in paper to avoid cassette perforations and loss.
- The paper can be marked with stains like eosin.
Specimen Dissection Plans: Intermediate and Larger Samples
- Larger specimens are described by width and depth.
- Characteristics like nodules, ulcers, papules, color, and distance to margins also need recording.
- Serial sections are created. This might use Indian ink or other contrasting dyes.
Specimen Labelling
- The several biopsies from intermediate and larger samples are assigned the same lab number.
- Numerical labelling using pens, or barcodes, are both suitable methods.
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Description
This quiz covers the essential techniques involved in the reception and selection of histopathology specimens. It emphasizes the importance of accurate specimen handling, proper documentation, and the lab identification process. Ideal for students and professionals in the field of pathology.
