International Forum of Allergy and Rhinology – Interactive Case Learning Series

We are pleased to bring you this new online educational series of case-based activities, focusing on health issues related to allergy, rhinology and otolaryngology.

They are completely free to access (registration required).

A new case will be presented each month. The format of each case will be as follows:

  • Read about the case study, beginning with a patient history
  • View an image gallery relating to the case, for further examination
  • What’s your diagnosis? Choose from several options and gain feedback on your choice.
  • What’s your next step? Once the correct diagnosis is selected, select the best possible treatment option and gain further feedback
  • What’s the most appropriate surgical approach? Once the most appropriate treatment is selected, choose from several options and gain feedback
  • Where possible, watch a video of the surgical procedure to gain invaluable insight for providing the best treatment

Please see the course below for an example of the courses you will encounter on the learning site, please click here to register to view and participate in the full course. Registration is free and required to view all available cases.

You will be able to:

  • Register an account and login, for free, so that you can receive invaluable guidance on the latest tests and treatments
  • Save your progress for future reference and learning
  • Send questions to experts for additional, detailed feedback

The courses are brought to you by International Forum of Allergy & Rhinology, the official journal of the American Rhinologic Society (ARS) and the American Academy of Otolaryngic Allergy (AAOS), which is published by Wiley.

Interactive Case Learning Series Editor: Benjamin S. Bleier, M.D., Harvard Medical School

* Dr. Bleier is a consultant for Olympus, Canon, and Karl Storz and has an equity relationship with Interscope



Case: October 2019

A 46-year-old male with 2 weeks of severe left-sided headaches, and left forehead and eye swelling. Pain was continuous and had been slowly worsening…

Discuss case here.


Case: September 2019

A 25-year-old woman with an unremarkable medical history presents with 6 months of progressive diplopia and right eye pain…

Discuss case here.


Case: August 2019

A 48-year-old female with a history of asthma presents with persistent nasal congestion, hyponasal voice, hyposmia, chronic rhinorrhea, and ear fullness…

Discuss case here.


Case: July 2019

A 41-year-old female with a history of acute myeloid leukemia undergoing chemotherapy was hospitalized for neutropenic fever and sepsis…

Discuss case here.


Case: June 2019

A 52-year-old female presents with an incidental left sinonasal cavity lesion found during workup of a tongue squamous cell carcinoma.

Discuss case here.


Case: May 2019

A 51-year-old male with a history of right silent sinus syndrome presents 3 months after right endoscopic sinus surgery (ESS)…

Discuss case here.


Case: April 2019

A 16-year-old otherwise healthy young man with no significant past medical or surgical history was seen in the otolaryngology clinic 5 days after initially…

Discuss case here.


Case: March 2019

A 65-year-old woman presents with complaints of several years’ worth of slowly progressive bilateral nasal congestion clear anterior and posterior…

Discuss case here.


Case: February 2019

A 17-year-old male with a history of cystic fibrosis (CF) (F508del; G551D) presents with complaints of nasal congestion, purulent rhinorrhea and intermittent facial pain…

Discuss case here.


Case: January 2019

A 45-year-old woman with a history significant for hypertension and diabetes presents with a 3-month history of rhinorrhea…

Discuss case here.


Case: December 2018

Patient is a 75-year-old female presenting with 6 weeks of right-sided double vision with restricted movement…

Discuss case here.


Case: November 2018

A 63-year-old otherwise healthy man with a history of seasonal allergies and 2 prior episodes of sinusitis reported 12 days of fatigue, decreased appetite…

Discuss case here.


Case: October 2018

A 50-year-old male-to-female transgender woman presented with anterior and posterior thick nasal drainage, nasal congestion, facial pressure, and hyposmia…

Discuss case here.


Case: September 2018

A 29-year-old pilot was referred from a U.S. Air Force base with a history of pneumocephalus on computed tomography (CT) scan following a high-altitude flight…

Discuss case here.


Case: August 2018

A 44-year-old male with no significant past medical history presented with headaches and memory loss for approximately 1 year. A magnetic resonance imaging…

Discuss case here.


Case: July 2018

A 53-year-old female with a history of asthma requiring 5 emergency department (ED) visits. The patient notes the asthma gets worse after taking nonsteroidal…

Discuss case here.


Case: June 2018

A 51-year-old female patient was referred with left-sided proptosis, visual loss, and pain due to a sphenoid wing meningioma. She had undergone a craniotomy for resection of the intracranial…

Discuss case here.


Case: May 2018

A 59-year-old male patient presented with recurrent left nasal obstruction. He had a history of prior sinus surgery, 5 years and 1 month prior to evaluation,…

Discuss case here.


Case: April 2018

A 63-year-old woman presents with mild left proptosis and concern for mild loss of peripheral vision in her left eye. The patient denies diplopia, pain with extraocular movement…

Discuss case here.


Case: March 2018

A 20-year-old man presented with acute headaches to a primary care hospital. The patient was treated by a general practitioner for bilateral purulent tonsillitis with corticosteroid…

Discuss case here.



Case: February 2018

A 50-year-old male with a history of chronic sinusitis with nasal polyposis (CRSwNP) presents with increased left retro-orbital pressure and headaches for the past several months…

Discuss case here.


Case: January 2018

A 55-year-old female complains of (C/O) sinusitis, right-left (R>L), previously treated by local otolaryngologist, mild right frontal headache. The patient has a history of essential…

Discuss case here.


Case Archives 2017

View the archived Interactive Case Learning Series for 2017.

View cases here.


Interested in becoming an Interactive Case Learning Series author?

Click here to download our Interactive Case Learning Series Author Guidelines

Contact Us

Benjamin S. Bleier, M.D.
Editor, Interactive Case Learning Series