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October 2017 Imaging Case of the Month

Paul J. Conomos, MD1

Michael B. Gotway, MD2


1Arizona Pulmonary Specialists

Phoenix, AZ USA

2Mayo Clinic Arizona

Scottsdale, AZ USA


Imaging Case of the Month CME Information  

Members of the Arizona, New Mexico, Colorado and California Thoracic Societies and the Mayo Clinic are able to receive  0.25 AMA PRA Category 1 Credits™. Completion of an evaluation form is required to receive credit and a link is provided on the last panel of the activity.

0.25 AMA PRA Category 1 Credit(s)™

Estimated time to complete this activity: 0.25 hours

Lead Author(s): Paul J. Conomos, MD. All Faculty, CME Planning Committee Members, and the CME Office Reviewers have disclosed that they do not have any relevant financial relationships with commercial interests that would constitute a conflict of interest concerning this CME activity. 

Learning Objectives: As a result of completing this activity, participants will be better able to:

  1. Interpret and identify clinical practices supported by the highest quality available evidence.
  2. Establish the optimal evaluation leading to a correct diagnosis for patients with pulmonary, critical care and sleep disorders.
  3. Translate the most current clinical information into the delivery of high quality care for patients.
  4. Integrate new treatment options for patients with pulmonary, critical care and sleep related disorders.

Learning Format: Case-based, interactive online course, including mandatory assessment questions (number of questions varies by case). Please also read the Technical Requirements.

CME Sponsor: University of Arizona College of Medicine at the Arizona Health Sciences Center.

Current Approval Period: January 1, 2017-December 31, 2018


Clinical History: An 18-year-old man with no known previous medical history presented with complaints of intermittent cough persisting several months. No hemoptysis was noted.

Physical examination was largely unremarkable and the patient’s oxygen saturation was 99% on room air. The patient’s vital signs were within normal limits.

Laboratory evaluation was unremarkable.  Quantiferon testing for Mycobacterium tuberculosis was negative, and testing for coccidioidomycosis was unrevealing. Frontal and lateral chest radiography (Figure 1) was performed.

Figure 1. Figure 1. Frontal (A) and lateral (B) chest radiography.

Which of the following statements regarding the chest radiograph is most accurate? (Click on the correct answer to proceed to the second of eight pages)

  1. The chest radiograph shows asymmetric reticulation and interlobular septal thickening
  2. The chest radiograph shows bilateral reticulation associated with decreased lung volumes
  3. The chest radiograph shows focal consolidation
  4. The chest radiograph shows large lung volumes
  5. The chest radiograph shows small cavitary pulmonary nodules

Cite as: Conomos PJ, Gotway MB. October 2017 imaging case of the month. Southwest J Pulm Crit Care. 2017;15(4):138-46. doi: PDF

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