68 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
• Rheumatic fever ... lesions • Discoid ... #joint #pain #skin ... #rashes #differential ... #diagnosis #rheumatology
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... diagnosis: secondary ... nummular eczema, tinea ... #photo #PhysicalExam
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Red Flags: • Fever ... • Severe pain ... cryoglobulins • Skin ... #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Skin lesions ... burning sensation or pain ... Diagnosis: Vasculitis ... #rash #diagnosis
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
- Differential ... sclerosis (white "ash ... Localized Acquired • Tinea ... #dermatology #Differential ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... Diagnosis Algorithm ... #SkinRash #dermatology ... #causes
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
instability - New-onset fever ... sulfa-drug - Skin ... pain - Immunocompromised ... Dermatology #Rash ... Targetoid #Algorithm #Differential
Janeway Lesions in Endocarditis seen on Physical Exam 

Dr Supradip Ghosh
@dr_supradip

36 year old male with history
dr_supradip 36 year old ... left hemiplegia, fevers ... could have been diagnosed ... #dermatology #soles ... #skin
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Identification of causes ... (5%): PAN > GPA ... 2%) • Other: IBD ... #diagnosis #clinical ... #differential
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
petechiae/purpura with fever ... petechiae/purpura with fever ... petechial or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash