18 results
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... painless nodular rash ... biopsy preferred Differential ... papulonodular lesions ... leishmania, Tb, NTM
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
or fluid-filled lesions ... New-onset fever with rash ... #Rash #Maculopapular ... Targetoid #Algorithm #Differential ... #Ddxof
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
commonly suggest an infectious ... Vesiculobullous lesions ... #Diagnosis #Dermatology ... Bullous #Algorithm #Differential ... #Ddxof
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Ddxof
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... reddish-purple lesions ... - Trauma - Infection ... #Differential # ... Algorithm #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Maculopapular rash ... reticularis Differential ... cell arteritis Infections ... diseases • Fungal infections ... #rash #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Malar rash ... Discoid skin lesions ... Sarcoidosis #dermatology ... #skin #rashes #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM ... ) Infections ... belonging to the Mycobacterium ... Nodular or cavitary lesions ... #Infections #differential
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... / Erythematous lesions ... borders of lips Infectious ... Pustular #SkinRash #dermatology
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... inflammation or infection ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash