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In Memoriam
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September 2018 Pulmonary Case of the Month: Lung Cysts

Lewis J. Wesselius, MD

Department of Pulmonary Medicine

Mayo Clinic Arizona

Scottsdale, AZ USA


Pulmonary Case of the Month CME Information

Completion of an evaluation form is required to receive credit and a link is provided on the last page of the activity. 

0.50 AMA PRA Category 1 Credit(s)™

Estimated time to complete this activity: 0.50 hours

Lead Author(s): Lewis J. Wesselius, MDAll 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: The University of Arizona College of Medicine-Tucson

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

Financial Support Received: None


History of Present Illness

A 67-year-old woman was referred for mild shortness of breath for several years, but worse since January 2018.  She has dyspnea on exertion after 1 block. An outside chest x-ray, electrocardiogram and echocardiogram are reported as normal. She was begun on prednisone at 40 mg/day and her symptoms improved. However, her symptoms worsened when the dose tapered to 5 mg/day. She gained 35 pounds while on the prednisone and tried a steroid inhaler therapy without benefit. She is still dyspneic after 1 block of exertion.

Past Medical History, Social History, Family History

  • Her past medical history was only positive for gastroesophageal reflux for which she takes ranitidine and hypertension for which she takes lisinopril.
  • She was a life-long nonsmoker.
  • There was no occupational history, hot tub or bird exposures.
  • Family history is noncontributory.

Physical Examination

  • Her SpO2 was 94% on room air.
  • Chest:  few crackles noted at right base.
  • Cardiovascular: regular rate and rhythm without a murmur.
  • Extremities: no edema or clubbing.

Which of the following should be done at this time? (Click on the correct answer to be directed to the second of eight pages)

  1. Measure her SpO2 after exercise
  2. Reassure the patient the patient that she has hysterical dyspnea
  3. Pulmonary function testing
  4. 1 and 3
  5. All of the above

Cite as: Wesselius LJ. September 2018 pulmonary case of the month: lung cysts. Southwest J Pulm Crit Care. 2018;17(3):85-92. doi: PDF 

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