PRE-ANALYTICAL FACTORS AND GROSS DESCRIPTION Flashcards

1
Q

3-5mm thick tissue is fixed for how long

A

6-48 hrs

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2
Q

tissues are sectioned prior to fixation (size)

A

5mm thick TSE and large TSE

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3
Q

1st and most important step in histopath outside the tissue processing procedures

A

Specimen accessioning

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4
Q

Indicating cofes

A

Surgical
autopsy
Cytology

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5
Q

Format of Accession Number

A

Code-year-ID- id num of specimen

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6
Q

Specimens only requiring transfer from container to tissue cassette

A

Endometrium
Breast core biopsies
Colonic series

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7
Q

Specimens requiring transfer but with standard sampling, counting, weighing or slicing

A

Small lipoma
Small skin biopsy
Cervical LLETZ

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8
Q

Simple dissection required with sampling needing a low level of diagnostic assessment and/or preparation

A

Prepuce
Gall bladder
Hemorrhoids
Appendix

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9
Q

Dissection and sampling required needing a moderate level of assessment

A

(PigLaSS)

Pigmented skin lesions
Large intestine
Skin w markers
Salivary gland tumour

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10
Q

Specimens requiring complex dissection and sampling methods

A

Thyroid
Breast cancer
Testis
Uterus

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11
Q

Excess finger/toe will be removed and will be submitted to the histopath lab for description only

A

Accessory digits

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12
Q

Bony bump that forms at the joints of the base of the big toe

A

Bunions (hallux valgus) & hammer toes

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13
Q

Medical devices that are excluded from mandatory submission

A

Catheters
Gastrostomy tubes
Stents
Sutures

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14
Q

do not meet with the criteria of the hospital or laboratory for examination

A

Placentas

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15
Q

there is an alternative policy for documentation for these types of samples during surgical removal

A

Orthopedic hardware and other radiopaque medical devices

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16
Q

removed only for purposes of gaining surgical access but is not suggestive of any form of malignancy

A

Rib segments or other tissues

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17
Q

harvested from a coronary artery bypass

A

Saphenous vein

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18
Q

used to identify and orient the specimen’s components, distinguish samples, for embedding instructions

A

Inks

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19
Q

Indicates laterality

A

Nicks

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20
Q

Represented by LL long lateral or SS short superior

A

Sutures

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21
Q

to accurately and faithfully transmit information to allow accurate and reliable microscopic assessment of this margin

22
Q

set as an instruction for the embedding process

23
Q

instruct the embedder to embed the tissues a certain way

24
Q

Used for ink dots

25
Used to remove ink
Acetic acid
26
Dimensions are rounded to neares
Length width depth - 1cm
27
Measurement of standard cassette
3 x 2.5 x 0.4 cm
28
Thickness of TSE allowed in standard cassette
Not more than 0.3 cm
29
Edges of tissues should be
Squared
30
Small specimens are cut
Serially about 2mm thick
31
Used got wrapping small sample
Filter paper
32
Large specimens are cut
Interval of 1cm thickness (breadloafing)
33
en bloc excision of all cancer bearing tissues in the pelvis including the bladder, the prostate
Cystoprostatectomy
34
embedded in the cassette for labeling
Paper tags using lead pencil
35
If printed what is used for labeling
Dot matrix
36
Brain is tied at the
Circle of willis
37
What is circle of willis
CIRCULATOIN where BLOOD FLOWS or the pathway of the blood to supply oxygen to the brain as well as the surrounding structures
38
Brain is imemrsed in
10% neutral buffered formalin for 2-3 weeks
39
Base of colon cancers are called
Polyps
40
area where cautery arteries are located
Polyps
41
bisected and places in one cassette
Small polyps
42
sides are trimmed away from the stalk, and stalk is placed in a separate cassette
Large polyps
43
Orienttion of dermatologic specimen
Vertical
44
Dermatologic specimen “-“ are submitted whole
Punch biopsies
45
Tissues greater than - are dissected
4mm
46
serially cut along the short axis at 2 to 3 mm interval.
Skin ellipses
47
Wash in running water then immerse in TSE softeners Must be decalcified first
Hard tissues
48
cut open longitudinally and fixed with cottons inside
Hollow structures
49
Most important component of tumor resections
Lymph nodes
50
essential for prognosis and planning therapeutic options
Lymph nodes
51
received fresh and not immersed in formalin
Lymph nodes
52
first lymph node to be involved during metastasis. Entirely submitted.
Sentinel lymph nodes