Breast lumps other diagnostic studies: Difference between revisions
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Created page with "__NOTOC__ {{Breast lumps}} {{CMG}} == Other Diagnostic Studies== ===Fine Needle Aspiration/Biopsy=== * '''Fine Needle Aspiration''' *:* Office procedure for evaluation of pal..." |
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== Other Diagnostic Studies== | == Other Diagnostic Studies== | ||
===Fine Needle Aspiration/Biopsy=== | ===Fine Needle Aspiration/Biopsy=== | ||
====Fine Needle Aspiration==== | |||
* Office procedure for evaluation of palpable cyst (22-24 gauge needle) | |||
* Bloody fluid | |||
:* Send for cytology and refer for surgical biopsy | |||
* Non-bloody fluid | |||
:* Cytology extremely low yield (do not send) | |||
:* If mass disappears, reexamine pt in 4-6 weeks | |||
:* If no recurrence, resume routine follow-up | |||
:* If recurrence, can repeat aspiration | |||
:* Consider biopsy if further recurrence | |||
* Non-bloody fluid but residual mass after aspiration: surgical biopsy | |||
* Solid mass (no fluid) | |||
:* Surgical biopsy or fine needle aspiration biopsy | |||
====Fine Needle Aspiration Biopsy (FNAB)==== | |||
* Aspiration of cells from a solid mass | |||
* 21 gauge needle, operator-dependent | |||
* Wide variation in sens (65-98%), spec (34-100%) | |||
====Core Needle Biopsy==== | |||
* 14-18 gauge needle allows for better histologic sample | |||
* Used mostly for evaluation of non-palpable masses (mammogram or ultrasound guidance) | |||
* Compares favorably with surgical biopsy at lower cost | |||
====Excisional Biopsy==== | |||
* Recommended if solid mass suspicious for cancer by exam or mammo | |||
* Also recommended for palpable mass not seen on mammogram or for abnormal biopsy | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 13:56, 22 April 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Other Diagnostic Studies
Fine Needle Aspiration/Biopsy
Fine Needle Aspiration
- Office procedure for evaluation of palpable cyst (22-24 gauge needle)
- Bloody fluid
- Send for cytology and refer for surgical biopsy
- Non-bloody fluid
- Cytology extremely low yield (do not send)
- If mass disappears, reexamine pt in 4-6 weeks
- If no recurrence, resume routine follow-up
- If recurrence, can repeat aspiration
- Consider biopsy if further recurrence
- Non-bloody fluid but residual mass after aspiration: surgical biopsy
- Solid mass (no fluid)
- Surgical biopsy or fine needle aspiration biopsy
Fine Needle Aspiration Biopsy (FNAB)
- Aspiration of cells from a solid mass
- 21 gauge needle, operator-dependent
- Wide variation in sens (65-98%), spec (34-100%)
Core Needle Biopsy
- 14-18 gauge needle allows for better histologic sample
- Used mostly for evaluation of non-palpable masses (mammogram or ultrasound guidance)
- Compares favorably with surgical biopsy at lower cost
Excisional Biopsy
- Recommended if solid mass suspicious for cancer by exam or mammo
- Also recommended for palpable mass not seen on mammogram or for abnormal biopsy