Key result
Necropsy of a 1-day-old calf revealed a 32.9 × 23.1 mm secundum atrial septal defect and a 25.3 × 18.5 mm membranous ventricular septal defect consisting of muscle and fibrous tissue.
Case Report (n=1)
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This case report details the gross and histopathological findings of concurrent congenital secundum ASD and membranous VSD in a newborn calf.
Congenital secundum atrial septal defect (ASD) and membranous ventricular septal defect (VSD) were diagnosed in a 1-day-old Holstein-Friesian calf necropsied in the Department of Pathology of Mehmet Akif Ersoy University. The secundum atrial septal defect was 32.9 × 23.1 mm in width and was elliptical. The membranous ventricular septal defect was 25.3 × 18.5 mm in width and was round to oval in shape. Both atrial and ventricular septal defects were stained with hematoxylin-eosin and Van Gieson's stain. Histopathological examination showed that the defects mainly consisted of numerous muscle cells and, in some areas, dense fibrous connective tissue.
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HALIGÜR et al. (2011) conducted a case report in Congenital secundum atrial septal defect and membranous ventricular septal defect (n=1). Necropsy and histopathological examination was evaluated on Anatomical and histopathological characteristics of the septal defects. Necropsy of a 1-day-old calf revealed a 32.9 × 23.1 mm secundum atrial septal defect and a 25.3 × 18.5 mm membranous ventricular septal defect consisting of muscle and fibrous tissue.
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