11 results
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... leishmania, Tb, NTM ... #clinical #photo
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... Primary skin and ... Mycobacterium #diagnosis #differential ... #infectiousdiseases ... #NTM
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... vasculitis Skin ... also occur Skin ... 16%) • Painful skin ... and gangrene Skin
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Pulmonary • Skin ... • M genavense Skin ... disease, adenitis, skin ... • M fortuitum Skin ... #Infections #differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... Diaqnoses: • Infectious ... management #treatment #rheumatology
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential ... Inhalation • Skin ... papule on exposed skin ... Campylobacter jejuni • NTM ... diagnosis #InfectiousDiseases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... fibromyalgia) • Infections ... Seizures • Strokes Skin