17 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... common pattern ... on a CXR. ... seen and in many cases ... #Differential #
Summary table of common benign breast diseases and how to manage them. 
Fibroadenoma:
 • Most common
e.g. biopsy, car ... bruising/erythema/sign ... mastitis • Usually caused ... diseases #benign #differential ... diagnosis #surgery #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... Auspitz sign, Koebner's ... Christmas tree pattern ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential ... Diagnosis Algorithm ... scalp/face/central chest ... #causes
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... #dermatology #rash ... #differential #
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... was caused by multiple ... the central dot sign ... Clinical #Radiology #CXR ... #CTChest #LCH #
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Maculopapular rash ... • Common clinical ... meningismus are common ... Acute meningeal signs ... • Uveitis • Rash
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... Abdominal #Pain #differential
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... tightness Most Common ... Nasal polyps and signs ... Physical stigmata of cor ... Bronchiectasis #pulmonary #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Drug Associated (Commonly ... mucositis - Rash ... purpura: strong sign ... - (C-ANCA) pattern