31 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... Malar rash ... Schönlein purpura • PAN ... Sarcoidosis #dermatology
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... Petechial / Purpuric Rash ... Disseminated Gonococcal Infection ... - Autoimmune Vasculitis ... #Dermatology #Skin
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Polyarteritis Nodosa (PAN ... Algorithm - ACR ... immunosuppressive agent (e.g ... @MithuRheum #PAN ... #rheumatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... integrity (trauma, infection ... , vasculitis) or ... #Diagnosis #Dermatology ... #Rash #Petechiae
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... (5%): PAN > GPA ... (3%) • Infections ... #dermpath #dermatology ... #semiology #signs
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... HUS • DIC • Vasculitis ... • Infection ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Differential Diagnosis Algorithm ... - Vasculitis ... lesions • Severe pain ... - Autoimmune Vasculitis ... #Causes #dermatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Differential Diagnosis Algorithm ... → Refer to hematology ... Rheumatologic, Vasculitides ... Matthew Ho, MD PhD ... #hematology
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Ill-appearing, vital sign ... sulfa-drug - Skin pain ... #Diagnosis #Dermatology ... #Rash #Maculopapular
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Maculopapular rash ... burning sensation or pain ... Polyangiitis #GPA #dermatology ... #rash #diagnosis