Related Experiment Video
Updated: Oct 17, 2025

A Metadata Extraction Approach for Clinical Case Reports to Enable Advanced Understanding of Biomedical Concepts
Published on: September 20, 2018
Case 31-2021: A 21-Year-Old Man with Sore Throat, Epistaxis, and Oropharyngeal Petechiae
Hanno Hock1, Hillary R Kelly1, Eric A Meyerowitz1
1From the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Massachusetts General Hospital, the Departments of Medicine (H.H., M.J.F.), Radiology (H.R.K.), and Pathology (L.R.M.), Harvard Medical School, and the Department of Radiology, Massachusetts Eye and Ear (H.R.K.) - all in Boston; and the Department of Medicine, Montefiore Medical Center, New York (E.A.M.).
No abstract available in PubMed .
Related Concept Videos
Endocarditis II: Clinical Features of Infective Endocarditis
Epistaxis
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
Acute Pharyngitis
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Chronic Pharyngitis
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Tonsillitis I: Introduction
Etiology
Three primary contributing factors have been identified.
Tonsillitis II: Management