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In Memoriam
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November 2016 Pulmonary Case of the Month

November 2016 Pulmonary Case of the Month


Anjuli M. Brighton, MB, BCh, BAO

Tania Jain, MBBS

Alan H. Bryce, MD

Ramachandra R. Sista, MD

Robert W. Viggiano, MD

Lewis J. Wesselius, MD


Pulmonary and Hematology/Oncology Departments

Mayo Clinic Arizona

Scottsdale, AZ USA


Pulmonary 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™ for each case they complete. 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): Anjuli M. Brighton, MB.  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 this activity I will be better able to:

  1. Correctly interpret and identify clinical practices supported by the highest quality available evidence.
  2. Will be better able to establsh the optimal evaluation leading to a correct diagnosis for patients with pulmonary, critical care and sleep disorders.
  3. Will improve the translation of the most current clinical information into the delivery of high quality care for patients.
  4. Will integrate new treatment options in discussing available treatment alternatives 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 Banner University Medical Center Tucson

Current Approval Period: January 1, 2015-December 31, 2016

Financial Support Received: None


History of Present Illness

Our patient is a 76-year-old gentleman  who was referred based on an abnormal CT scan. He has a history of metastatic melanoma and had begun immunotherapy with pembrolizumab 10 months prior to admission. He had low grade fevers and chills and some dyspnea on exertion and dry cough. He also had a 6-8 pound weight loss over 4 weeks.

PMH, SH and FH

He has a history of hairy cell leukemia since 2009; squamous and basal cell cancers; and diabetes on insulin. He is a retired commercial banker and has a 15 pack-year smoking history.

Physical Examination

Physical examination showed and SpO2 of 90% on room air. His lungs were clear. He had numerous depigmented lesions on his skin.


A thoracic CT scan was performed (Figure 1) and compared to a scan done 3 months prior which was considered unremarkable.

Figure 1. Video of representative images of contrast-enhanced thoracic CT scan in lung windows.

Which of the following best describe the CT scan? (Click on the correct answer to proceed to the second of four pages)

  1. Normal
  2. Mosaic pattern of lung attenuation
  3. Numerous bronchial-associated ground glass opacities
  4. Numerous pulmonary nodules
  5. Numerous pulmonary nodules with a halo sign

Cite as: Brighton AM, Jain T, Bryce AH, Sista RR, Viggiano RW, Wesselius LJ. November 2016 pulmonary case of the month. Southwest J Pulm Crit Care. 2016:13(5):191-5. doi: PDF

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