13 results
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... (most common: lung ... , Aneurysm • Pancreas ... #Pain #Differential ... #Diagnosis #causes
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... refer + order CT ... History of cancer, lung ... disease #Chronic ... Diagnosis #Algorithm #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pneumonia • Chronic ... Pleuritic chest pain ... seen • Chest CT ... Abscess Differential
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Long-standing vs ... , diarrhea • Back ... • Splenomegaly/Abscess ... #Chronic #Causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... segment or lobe of lung ... involving both lungs ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
lung disease ... status NTM Cause ... diarrhea, abdominal pain ... Imaging, high res CT ... NTM #Infections #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... • CT: Halo sign ... , chronic diarrhea
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
weight • Chest pain ... in the adjacent lung ... of the affected lung ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... , abscess, pulpitis ... subdural hematoma, lung ... Loss of vision or black ... disease processes
Squamous-Cell Carcinoma of the Lung- ...Physical examination revealed decreased air entry in the base of the
Carcinoma of the Lung ... base of the right lung ... indicated stage IV disease ... #NEJM #clinical ... #radiology #CT #