Scleroderma Flashcards

1
Q

Juvenile scleroderma encompasses a range of conditions unified by the presence of

A

Fibrosis of the skin

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2
Q

Juvenile scleroderma is divided into 2 major categories

A

1) Juvenile localized scleroderma (JLS, also known as morphea) 2) Juvenile systemic sclerosis (JSSc)

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3
Q

Category of scleroderma which is the predominant type seen in pediatric populations

A

Localized scleroderma (>95%)

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4
Q

Category of scleroderma which is associated with mortality and severe morbidity

A

Systemic sclerosis

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5
Q

MC subtype of localized scleroderma

A

Linear scleroderma

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6
Q

Bluish hue seen around an area of waxy induration

A

Scleroderma

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7
Q

MC extracutaneous manifestation of linear scleroderma

A

Arthritis

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8
Q

MC visceral manifestation of SSc

A

Pulmonary disease

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9
Q

Mortality from JSSc is most commonly a result of

A

Cardiopulmonary disease

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10
Q

Most frequent initial symptom in pediatric systemic sclerosis

A

Raynaud phenomenon (RP)

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11
Q

RP is present in 70% of children when

A

Months to years before other manifestations

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12
Q

Triphasic sequence of blanching, cyanosis, and erythema of the digits induced by cold exposure and/or emotional stress

A

Raynaud’s phenomenon

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13
Q

Color changes in RP is brought about by

A

(1) Initial arterial vasoconstriction, resulting in hypoperfusion and pallor (blanching), (2) venous stasis (cyanosis), and (3) reflex vasodilation caused by the factors released from the ischemic phase (erythema)

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14
Q

Color change is classically reproduced by

A

Immersing the hands in iced water and reversed by warming

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15
Q

T/F In RP, the affected area is usually well demarcated and uniformly white

A

T

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16
Q

A condition with episodic color changes and the development of nodules related to severe cold exposure and spasm-induced vessel and tissue damage; this condition has been associated with systemic lupus erythematosus

A

Chilblains

17
Q

Major criterion (REQUIRED) for JSSc

A

Proximal skin sclerosis/induration of the skin proximal to metacarpophalangeal or metatarsophalangeal joints

18
Q

JSSc: Most common cause of death is

A

Heart failure caused by myocardial and pulmonary fibrosis