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HISTOPATH LEC MIDTERMS > PRE-ANALYTICAL FACTORS AND GROSS DESCRIPTION > Flashcards

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

A

Inking

22
Q

set as an instruction for the embedding process

A

Inking

23
Q

instruct the embedder to embed the tissues a certain way

A

Ink dots

24
Q

Used for ink dots

A

India ink

25
Q

Used to remove ink

A

Acetic acid

26
Q

Dimensions are rounded to neares

A

Length width depth

  • 1cm
27
Q

Measurement of standard cassette

A

3 x 2.5 x 0.4 cm

28
Q

Thickness of TSE allowed in standard cassette

A

Not more than 0.3 cm

29
Q

Edges of tissues should be

A

Squared

30
Q

Small specimens are cut

A

Serially about 2mm thick

31
Q

Used got wrapping small sample

A

Filter paper

32
Q

Large specimens are cut

A

Interval of 1cm thickness (breadloafing)

33
Q

en bloc excision of all cancer bearing tissues in the pelvis including the bladder, the prostate

A

Cystoprostatectomy

34
Q

embedded in the cassette for labeling

A

Paper tags using lead pencil

35
Q

If printed what is used for labeling

A

Dot matrix

36
Q

Brain is tied at the

A

Circle of willis

37
Q

What is circle of willis

A

CIRCULATOIN where BLOOD FLOWS or the pathway of the blood to supply oxygen to the brain as well as the surrounding structures

38
Q

Brain is imemrsed in

A

10% neutral buffered formalin for 2-3 weeks

39
Q

Base of colon cancers are called

A

Polyps

40
Q

area where cautery arteries are located

A

Polyps

41
Q

bisected and
places in one cassette

A

Small polyps

42
Q

sides are trimmed away from the stalk, and stalk is placed in a separate cassette

A

Large polyps

43
Q

Orienttion of dermatologic specimen

A

Vertical

44
Q

Dermatologic specimen “-“ are submitted whole

A

Punch biopsies

45
Q

Tissues greater than - are dissected

A

4mm

46
Q

serially cut along the short
axis at 2 to 3 mm interval.

A

Skin ellipses

47
Q

Wash in running water then immerse in TSE softeners

Must be decalcified first

A

Hard tissues

48
Q

cut open longitudinally and fixed with cottons inside

A

Hollow structures

49
Q

Most important component of tumor resections

A

Lymph nodes

50
Q

essential for prognosis and planning therapeutic options

A

Lymph nodes

51
Q

received fresh and not immersed in formalin

A

Lymph nodes

52
Q

first lymph node to be involved during metastasis. Entirely submitted.

A

Sentinel lymph nodes

HISTOPATH LEC MIDTERMS (5 decks)

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