12 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 ... infection Malar rash ... Antiphospholipid-antibody syndrome ... #rashes #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Infection - Vasculitis ... lesions • Severe pain ... blood test • Serology ... #Differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... mucositis - Rash ... • Cogan Syndrome ... , testes -> pain ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... burning sensation or pain ... reticularis Differential ... • Goodpasture syndrome ... #rash #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... , mucositis • Rash ... cognitive impairment, neurologic ... Diagnosis #Rheumatology
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
diffuse palpable rash ... Differential for ... Churg-Strauss syndrome ... #LCV #Hand #skinrash ... #dermatology #clinical
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
skin injury) • Neurologic ... Behcet disease) Differential ... Nonsurgical abdominal pain ... #diagnosis #management ... signs #symptoms #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... ANCA-associated vasculitis ... Malignancy (e.g. hematologic ... Arthritis: • Joint pain ... vein thrombosis Hematologic
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint Pain ... - SLE Neurologic ... Lyme disease, Vasculitis ... conditions #joint #pain ... #differential #
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Differentiation Syndrome ... ATRA treatment Pathophysiology ... initiation • Differential ... APML #diagnosis #management ... #hematology #oncology