Shiny Skin and Subcutaneous Calcifications in a 13-Year-Old Adolescent Girl

A set of flashcards to review key concepts and findings related to the case of a 13-year-old girl with skin and joint symptoms, focusing on potential rheumatologic conditions.

What are some symptoms the patient presents with that suggest underlying rheumatologic conditions?

Chronic knee pain, progressive cutaneous calcinosis, morphea, exertional dyspnea, and worsening fatigue.

What key finding on the patient's skin examination is consistent with morphea?

Diffusely taut, hardened, waxy-appearing, hypopigmented patches.

What is the significance of the elevated anti-PM/Scl-100 antibody in this case?

It supports a diagnosis of overlap syndrome between juvenile dermatomyositis and juvenile systemic sclerosis.

What does the patient's muscle strength testing reveal?

3/5 strength in bilateral upper extremities and 5/5 strength in bilateral lower extremities.

What type of treatment is used for overlap syndrome in this patient?

Systemic corticosteroids, intravenous immunoglobulin G, and subcutaneous methotrexate.