Duck viral enteritis, petechial and ecchymotic hemorrhages and diphtheritic membrane, esophagus
Esophageal tissue taken from a duck with duck viral enteritis. The mucosa of the esophagus shows ecchymotic hemorrhages and ulcers in acute cases (left). In more chronic cases (right), the lumen becomes lined with a yellowish-white membrane or, in some cases, the entire mucosa may be sloughed.
Courtesy of Dr. Alejandro Banda.
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