Radiology Rounds – 3/28/2023

It is Tuesday #RadiologyRounds time! We are in a pleural state of mind here at Pulm PEEPs. This is another great case authored by rockstar-associate editor @TessLitchman

A 65-year-old man with cirrhosis presents to the ED with progressive shortness of breath:

The CXR has a right lower opacity decreasing in density that is silhouetting the right hemi-diaphragm without signs of volume loss on the right concerning for pleural effusion. There is also associated atelectasis adjacent to the effusion

What is your next step for this patient?

This patient had a bedside POCUS revealing a simple pleural effusion and abdominal ascites. He also had a CT scan performed:

Based on his imaging and history, the most likely diagnosis on the differential was a hepatic hydrothorax. Here is some more information on hepatic hydrothoraces:

A transudative effusion was confirmed on thoracentesis, and no other clear etiologies were identified The treatment of hepatic hydrothorax should always start with medical management of volume overload in cirrhosis. Pleural procedures can be used for disease that is refractory

36. Top Consult Series: Approach to Pleural Effusions

Today the PulmPEEPs are joined by two amazing educators as we start off our Top Consult series on Pleural Disease. Join us today as we go through cases to learn a systematic approach for evaluation and management of pleural effusions.

Meet our Guests

Dr. Mira John received her medical degree from Tulane University School of Medicine in New Orleans and completed internal medicine residency at Icahn School of Medicine at Mount Sinai. She is currently a second-year pulmonary and critical fellow at the University of Washington.

Dr. Ylinne Lynch completed her fellowship training at the University of Washington and is currently a Clinical Instructor at the UW. She is a great medical educator and spends her clinical time on the pulmonary consult service as well as in the ICU. 

Learning Points

Radiology Rounds ā€“ 2/14/23

What better way to celebrate Valentine’s Day than with a new #RadiologyRounds?! We think it is time for a Lung-centered holiday, but until then enjoy this case.

The patient’s pneumothorax was managed conservatively with observation and temporary 100% oxygen via a non-rebreather for nitrogen washout. The consolidations and effusion were concerning, so the patient had a CT chest performed.

8. A Case of Dyspnea and Lymphadenopathy

Dave Furfaro, Kristina Montemayor, and Ansa Razzaq are back to tackle another pulmonary case! Listen in and solve the case yourself, and we’ll share some diagnostic pearls along the way. Let us know any additional thoughts on Twitter.

Patient Presentation

The is patient is 57-year-old man with hypertension and asthma who presents with dyspnea and left-sided pleuritic chest pain for 3 weeks. He was in his usual state of health until 3 weeks prior to admission, when he developed dyspnea and sharp left-sided chest pain that worsens with deep breathing. His symptoms are accompanied by unintentional 30-pound weight loss over the past several months as well as an intermittent cough that is nonproductive.

On physical exam, he is mildly tachypneic and saturating well on room air with otherwise normal vital signs. He has decreased breath sounds at the right lung base.

Initial labs

Key Learning Points

**Spoilers Ahead** If you want to think through the case on your own we advise listening to the episode first before looking at the infographics below

Physical Exam Pearls

Reasons for decreased breath sounds on physical exam

1. Increased thickness of chest wall

2. Reduced airflow to part of the lung

3. Overinflation to part of the lung

4. Something between the lung and chest wall — air or fluid

Determine bradypnea and tachypnea quickly by matching your breahting rate to the patient’s respiratory rate

Pleural Effusions

Transudative effusion partial differential: heart failure, nephrotic syndrome, hepatohydrothorax, fluid overload, hypoalbuminemia, urinothorax, amyloidosis*, chlothorax*, hypothyrodism*, malignancy*, sarcoidosis*

*these effusions often present as exudates but can be transudates

Exudative effusion partial differential: Infection, hemothorax, malignancy, connective tissue disease, chylothorax, pancreatitis, esophageal perforation.

Sarcoidosis

Key Elements of Diagnosis:

1. Is there a compatible presentation (imaging, physical exam)

2. Detection of non-necrotizing granulomatous inflammation in one or more tissue samples

3. Exclusion of other disease that may present similarily

Pulmonary stages of sarcoidosis:

Key to remember that patients don’t always progress through these stages. The system is useful for prognosticating and determining treatment based on the risk for disease progression.

Image source: Gupta Et Al. J Fam Pract. 2021 April;70(3):E4-E15 | 10.12788/jfp.0177

Treatment for pulmonary sarcoidosis

Patients with stage 1, and even many with stage 2, often don’t require treatment

The first-line agent is oral glucocorticoids and the typical starting dose is prednisone 20 – 40 mg by mouth daily. The patient should be evaluated closely, and ideally, this dose can be tapered starting at about 4 – 6 weeks. Following this, the prednisone dose is tapered slowly over 6 months – 1 year while monitoring for symptom recurrence.

Second-line steroid-sparing agents are methotrexate, azathioprine, or mycophenolate. These are often used if the patient relapses, or is on more then 10mg daily for 3 months after the initial taper with intolerance of steroids

Third-line agents: tumor necrosis factor (TNF)- alpha antagonists (small molecule or monoclonal antibody therapy)

References and links for further reading

  1. Light RW. Pleural Effusion. New England Journal of Medicine. 2002;346(25):1971-1977. doi:10.1056/NEJMcp010731
  2. Feller-Kopman D, Light R. Pleural Disease. New England Journal of Medicine. 2018;378(8):740-751. doi:10.1056/NEJMra1403503
  3. Sarcoidosis: An FPā€™s primer on an enigmatic disease. MDedge Family Medicine. 2021;70(3). doi:10.12788/jfp.0177
  4. Iannuzzi MC, Rybicki BA, Teirstein AS. Sarcoidosis. New England Journal of Medicine. 2007;357(21):2153-2165. doi:10.1056/NEJMra071714
  5. Drent M, Crouser ED, Grunewald J. Challenges of Sarcoidosis and Its Management. New England Journal of Medicine. 2021;385(11):1018-1032. doi:10.1056/NEJMra2101555