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March 1981

Regeneration of Splenic Autotransplants in Suckling and Adult Rats

Author Affiliations

From the Sections of Pediatric Surgery (Drs Kovacs and Touloukian) and Nuclear Medicine (Dr Caride), Yale University School of Medicine and the Yale-New Haven Hospital, New Haven, Conn.

Arch Surg. 1981;116(3):335-336. doi:10.1001/archsurg.1981.01380150057015

• Homogenates of splenic tissue were autotransplanted within the peritoneal cavity of suckling and adult Sprague-Dawley rats after total splenectomy. All suckling animals had multiple regenerated splenic nodules when killed four months later, but in only 55% was splenic tissue visible by technetium Tc 99m sulfur colloid scan. Splenic tissue was recovered in one of ten adult animals, but the nodule was not visible by scan. The results of this study imply that revascularization of autotransplants might be more successful in a growing than in a mature host. Nuclear scans, although useful, do not always visualize small regenerated splenic autotransplants.

(Arch Surg 1981;116:335-336)

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