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Atlas Interpretation:
Interpreted image
Type of Preparation:


Clinical History:
41 year old. No history provided

NILM: Bacteria morphologically consistent with Actinomyces spp.

Cytomorphologic Criteria:
Tangled clumps of filamentous organisms, often with acute angle branching, sometimes showing irregular wooly appearance. Swollen filaments may be seen with clubs at periphery. A cotton ball like acute inflammatory response is common.

Explanatory Notes:
Actinomyces is often associated with intrauterine device (IUD) usage. Organisms may alert clinician to look for evidence of pelvic infection.

Bethesda Interobserver Reproducibility Data:
NILM: Negative for Intraepithelial Lesion or Malignancy # people picked NILM: Negative for Intraepithelial Lesion or Malignancy 514 91%
Endometrial cells in a woman >= 40 # people picked Endometrial cells in a woman >= 40 12 2%
ASC-US # people picked ASC-US 12 2%
ASC-H # people picked ASC-H 7 1%
LSIL # people picked LSIL 0 0%
HSIL # people picked HSIL 1 0%
Invasive Squamous Cell Carcinoma # people picked Invasive Squamous Cell Carcinoma 7 1%
Atypical Endocervical Cells # people picked Atypical Endocervical Cells 0 0%
Atypical Endometrial Cells # people picked Atypical Endometrial Cells 2 0%
Adenocarcinoma in situ (AIS), Endocervical # people picked Adenocarcinoma in situ (AIS), Endocervical 0 0%
Adenocarcinoma # people picked Adenocarcinoma 7 1%
562 interpretations were submitted.

See Also: thumbnail for figure BCCAct-001.tjc.jpg
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