18 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Comparison #Table ... #RadiologyAssistant
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... Vasculitis #dermpath #dermatology ... #semiology #signs ... lesions #diagnosis #clinical ... pathology #lesions #differential
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup and Differential ... hypertension and signs ... 109 mm Hg) with clinical ... renal bruit or signs ... #Differential #
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
Pathogenesis and clinical ... inflammation of middle ... mastoid cavity as middle ... hearing loss, nausea ... pathophysiology #signs
Summary of clinical findings for patients with encephalitis, by cause

#Encephalitis #Signs #Symptoms #Table #Diagnosis #Differential #CSF
Summary of clinical ... encephalitis, by cause ... #Encephalitis #Signs ... #Symptoms #Table ... #Diagnosis #Differential
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
workup 1) Clinical ... MRI, iADL scale, ... Alzheimer - 1st cause ... (parkinsonian signs ... MNCD #Dementia #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
the secondary stage ... The signs and symptoms ... resembling rashes caused ... Rash #Diagnosis #Clinical ... #Photo #Dermatology
Dermatomyositis with heliotrope rash, shawl sign, and Gottron's papules

A middle-aged man describes progressive difficulty combing his
heliotrope rash, shawl sign ... Gottron's papules A middle-aged ... rash, 2) shawl sign ... skinrash #shawl #sign ... #clinical #photo
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... • Common clinical ... Acute meningeal signs ... Good indicator to differentiate ... CNS #Infections #differential