48 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Langerhans cell histiocytosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... Cystic #Cysts #Differential
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... www.medscape.com/slideshow/dermatology-mnemonics ... #5 #diagnosis #differential ... #symptoms #signs ... #dermatology #skin
Bullous pemphigoid and pemphigus vulgaris

Comparison Table via Physical Examination, Nikolsky Sign and Differential Diagnoses

#Diagnosis #Dermatology #Bullous
Examination, Nikolsky Sign ... and Differential ... #Diagnosis #Dermatology ... Pemphigus #Vulgaris #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Langerhans cell histiocytosis ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
#Diagnosis #Dermatology ... Erythematous #Rash #Differential ... Algorithm #Nikolsky #Sign
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
red-flags to exclude dermatologic ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell histiocytosis ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
the Nikolsky sign ... the Nikolsky sign ... , the differential ... #Diagnosis #Dermatology ... Febrile #Fever #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Congenital, Langerhans Histiocytosis ... HiRes #HighRes #Chest ... #CT #Patterns #Differential
Hemolytic Anemias - Differential Diagnosis Algorithm

Signs of anemia and hemolysis:
 • ↓ Haptoglobin
 • ↑ LDH
Hemolytic Anemias - Differential ... Diagnosis Algorithm Signs ... Hemolytic #Anemias #Differential ... Diagnosis #Algorithm #hematology