177 results
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
myelodysplastic syndrome ... Infectious manifestations ... leukocytoclastic vasculitis ... #differential # ... diagnosis #dermatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
(3%) • Infections ... #dermpath #dermatology ... semiology #signs #lesions ... manifestations #pathology #lesions ... #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... reticularis Differential ... • Goodpasture syndrome ... cell arteritis Infections ... diseases • Fungal infections
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
and Mimics - Differential ... ANCA Associated Vasculitis ... , Rheumatoid Vasculitis ... : Hantavirus infection ... #Mimics #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... splenomegaly Other infections ... Infectious: ... #Brain #differential ... causes #radiology #neurology
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... and Sjogren's syndrome ... • IgA vasculitis ... absence of skin lesions ... #vasculitis #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Space occupying lesions ... • Infectious: ... #Weakness #Differential ... #Diagnosis #neurology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... SLE) - Viral infections ... Kasabach-Merritt syndrome ... APLS • Acute Infectious
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... , vasculitis) or ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... Palpable #Algorithm #Differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions ... - Differential ... Diagnosis • Infections ... #Differential # ... Diagnosis #neurology