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Flashcards in Pedi Deck (6)
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1
Q

A 3 yr old boy is brought for evaluation of recurrent bone fractures following minor injuries. He has speech delay n mild hearing loss. Hypermobility of his joints is noted. His height is at the 5th percentile.
Dx?

A
Osteogenesis imperfecta (type l collagen)- hearing loss is due to fracture of the ossicles 
Marfan also can present with hypermobile joints but pts r typically tall n not associated with recurrent fracture
2
Q
Children <18yrs
Arthritis in >=1 joint for >=6wks; fever for >=2wks temperatures spike once daily (often at night) and return to normal. A pink rash accompanied the fever n vanishes spontaneously.
HSM n LAP can b present
Anemia due to chronic inflammation, IDA
leukocytosis, thrombocytosis
A

Systemic juvenile idiopathic arthritis.

3
Q

A 16yr old girl came with knee pain. She has limp n swelling due to pain. Nontender pustules with a surrounding erythematous rim are seen on her palms. Joint aspiration- leukocyte of 30000, synovial fluid culture is negative
Dx?
Suggestive features?dx is made by?

A

Disseminated gonococcal infection.

  • adolescent, monoarticular arthritis, pustules, synovial WBC count is usually <50000 compared to other causes of septic arthritis.
  • Dx - culture of urine, urethral or cervical discharge, culture of blood n synovial fluid (less sensitive)
4
Q

Hx of monoarticular arthritis following months of migratory arthralgia and fatigue and a trip to Maine r concerning for ?

A

Lyme arthritis (borrelia burgdoferi)

5
Q

Greenstick fractures are?

Longterm complication?

A

Fracture involves only one side of the bony cortex rather than extending thru the width of the bone
- no longterm complication if treated appropriately

6
Q

A disease commonly presenting with lytic bone lesions and eczematous rash. Additional presenting signs include central diabetes insipidus, lymphadenopathy, HSM, cough( pulmonary nodules)

A

Langerhans cell histocytosis