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JOEM CME Oct 2018: EBUS-TBNA Cytology Specimens – Pattison, et al

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ACOEM Member Price: $20
Non-Member Price: $60

ACOEM offers CME for reading selected articles in our peer-reviewed Journal of Occupational and Environmental Medicine (JOEM). One (1) credit can be earned per article.


Earning Credit
To earn credits, you must have an active individual subscription to JOEM for the issue in which the ACOEM Online CME course is offered. The CME activity itself must not be expired. 


About the Article
Objectives:
The aim of this study was to describe the cytological features of patients with significant occupational dust exposure presenting with benign bilateral mediastinal and hilar lymphadenopathy (BHL).

Methods:
A retrospective cohort study including patients undergoing EBUS-TBNA for investigation of benign BHL. Patient characteristics, dust exposure history, radiology, and cytology samples from EBUS-TBNA were assessed.

Results:
EBUS-TBNA cytology in patients with exposure showed a significant increase in the presence of birefringent fibers (60.7% vs 19.2%, P  = 0.001) and intracellular carbon pigment (75.0% vs 28.9%, P  = 0.001) compared with patients without exposure. The presence of these two features together yielded a sensitivity of 53.6% and a specificity of 88.5%.

Conclusion:
In patients with BHL and a history of occupational dust exposure, the presence of birefringent fibers and intracellular carbon pigment in EBUS-TBNA cytology samples may assist in a diagnosis of lymphadenopathy due to occupational dust exposure.

Accessing the Online Exam
After reading the article referenced in the title of this product and purchasing this CME product, navigate to ACOEM Connect. Select "Education>Access My Online Learning" to complete the online exam and evaluation.
You will have unlimited opportunities to pass the exam to earn CME credit for each article. You may also claim MOC credit. 


Credits offered
• 1 AMA PRA Category 1 Credit TM
• 1 ABPM Maintenance of Certification credit

Expiration Date
This activity expires on October 31, 2021. Claiming must be completed before then to earn credit.

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