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Biomedical subjects

B C Duff

Publications and source records attributed to B C Duff.

7 recordsLinked to original sources

Skin neoplasms of dogs in Sydney.

In a survey of dogs in Sydney, mastocytomas (16.1%) and histiocytomas (14.0%) were the most common in a total of 1,000 skin neoplasms. The basal cell and appendage group provided 25.5% of the neoplasms. The prevalence of the various neoplasms, the age of affected dogs, the proportion in the sexes, the common sites of occurrence and prevalence in the different breeds were broadly similar to findings in surveys in other countries, except that in the Syndeny dogs there was a greater prevalence of histiocytomas and haemangiopericytomas, a more common occurrence of histiocytomas in mature dogs, an occurrence of histiocytomas in similar numbers on the head, trunk and limbs, and a remarkably common development of squamous cell carcinomas in Dalmatians.

Age Factors↗

Placental lesions in habitually aborting cats.

An ovariohysterectomy was done on five female cats with a history of habitual abortion in the 3rd to 4th week of pregnancy and the foetuses and placentas examined. Histologic and electron microscopic examination showed multifocal placental necrosis which was deduced to begin in the syncytial trophoblastic cells and to extend to all the cells of the labyrinth. This lesion was followed by foetal autolysis. No bacterial, viral or mycoplasmal agents could be incriminated in the disease.

Abortion, Habitual↗

Erythrocyte aplasia in a dog.

Erythrocyte aplasia was diagnosed in a 6-year-old dog which had severe non-regenerative anaemia with depletion of erythroid cells in the bone marrow but normal production of granulocytes and platelets. Treatment with blood transfusions, testosterone and dexamethasone was unsuccessful. The dog died 46 days after initial examination as a result of anaemia, transfusion reactions, and toxaemia from an ascending urinary tract infection.

Anemia, Aplastic↗