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Fig. 3F. 7-year-old boy with abdominal pain for 2 days and leukocyte
count at upper limit of normal range. Photograph of gross pathologic specimen
shows central necrosis and hemorrhage (arrows) surrounded by
peripheral rim of well-preserved adipose tissue (arrowheads). Size
and form of infarcted tissue conform to color Doppler sonographic measurements
of avascular hypoechoic tubular structure. Scale: centimeters.