11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Gonococcal arthritis Telangiectasia ... lesions • Discoid ... Sarcoidosis #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... cm diameter - Purpura ... blood vessels • Telangiectasia ... discolorations of skin ... #SkinRash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Skin lesions ... Maculopapular rash ... #Dermatologic ... #rash #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
reddish-purple lesions ... Fecal occult blood test ... cryoglobulins • Skin ... Algorithm #Causes #dermatology ... #physicalexam
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... and touch the lesions ... later confirmed by skin ... #Legs #Rash #clinical ... #photo #dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
(HSP, IgA Vasculitis ... ankles and palpable rash ... #clinical #photo ... #dermatology #skin ... #rash #physicalexam
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - long axis of lesion ... parallel to lines of skin ... rosea #clinical #dermatology ... #photo #PhysicalExam
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
PETECHIAE and PURPURA ... Purpura are larger ... TELANGIECTASIA: ... such as ataxia telangiectasia ... #Diagnosis #Dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... skin lesions ... mucositis - Rash ... Ocular inflammatory lesions-interstitial ... retinopathy Lab Tests
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
chin - Erythema, telangiectases ... exposed ivy) • Psoriasis ... Papule with pearly, telangiectatic ... ; pruritis #dermatology ... #rash #differential