Internal Medicine

0521779407-C04 CUNY1086/Karliner 0 521 77940 7 June 14, 2007 20:37

424 Crohn’s Disease Croup

➣renal:

stones

fistulae

hydronephrosis

amyloidosis

■Extra-intestinal manifestations:

➣colitis-related: correlates with inflammatory activity of the bowel

arthritis:

peripheral

central – follows an independent course

associated with HLA haplotype B27

sacro-iliitis

ankylosing spondylitis

skin:

erythema nodosum

pyoderma gangrenosum

eye:

episcleritis or scleritis

uveitis – may follow an independent course

often clusters with AS and SI

often associated with HLA-B27

Croup.............................................

CAROL A. GLASER, MD

history & physical

History

■Spasmodic croup and acute laryngotracheitis sometimes both

termed laryngotracheitis b/c overlap of syndromes

■Sometimes referred to as spasmodic croup

■3 months to 3 years of age, peak 2nd year of life

■more common in boys than girls

■epidemiology patterns of croup reflect seasonal patterns of agents

■Croup is a distinctive clinical syndrome resulting from involvement

of the larynx with resultant edema and stridor (aka laryngotracheo-

bronchitis).

■Etiologies

➣Usually viral, in order of frequency;

Parainfluenza most common cause (1,2,3)