11 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Nonpalpable purpura ... , the differential ... rash, the diagnosis ... #Purpuric #Rash ... #Differential
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
with possible symptoms ... worsens pain • Palpable ... with MRI effusion ... pathophysiology #diagnosis ... #msk
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... Crohn's disease Palpable ... #skin #rashes #differential ... #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... should have other symptoms ... like “butterfly rash ... #Disorders #msk ... #Differential #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... interphalangeal joint ... with joint-space ... patient had a palpable ... Differential diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... • Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... #dermatology #rash
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... pancreatitis), joints ... , palpable purpura ... maculopapular rash ... vesicular rash,
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... , mucositis • Rash ... • Progressive symptoms ... oligoclonal bands • MRI ... purpura, joint
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
non-blanching, nonpalpable ... is usually palpable ... hemarthroses (joint ... Diagnosis VWF ... VWF:RCo/VWF:Ag (differentiate
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... mucositis - Rash ... Presentation - Systemic Symptoms ... scleritis • Palpable ... Skin -> causing palpable