Fig. 1
From: A child with a novel ACAN missense variant mimicking a septic arthritis
Main features of our patient. Sagittal T2-weighted MRI of the right elbow shows joint distention, synovial thickening, and spongious edema of the humeral condyle with nidus (a, arrow tip). X-ray of the left hand shows bone age delay of 2âyears with 4th metacarpal bone brachydactyly (b, arrow tip). CDC growth chart of the patient (c, Tâ=âtarget height). Family pedigree (d)