Factors affecting hamster sarcoma growth in the cheek pouch.

Spontaneous differentiated squamous cell carcinoma of cheek pouch in a Syrian hamster

A 2-year-old male hamster was presented because of left facial swelling and salivation. Necropsy wasperformed and affected cheek pouch with tissue samples of regional and internal organs were submitted forhistopathological study. In histopathological examination it was found that the tumor consisted of cords andislands of tumoric epithelial cells which were diffused in the dermis. Vacoulation o...

The cheek pouch of the hamster as a site for the transplantation of a methyl-cholanthrene-induced sarcoma.

the necessary operative procedures and by the physical confines of the chamber. The advantages realized by using the mem branous cheek pouch of the hamster as a site for transplantation are (a) the tumor grows freely without physical hindrance and in a normal physi ological environment; (b) the same tumor can be observed at successive stages (measured, photo graphed) ; (c) the tumor may be subj...

Blood cell factors and tumor growth in the cheek pouch of the golden hamster (Mesocricetus auratus).

The relationship of tumor necrosis to white blood cell changes in the hamster.

In a previous publication it was pointed out that definite relationships existed between the growth curve of a 100 per cent transplantable methylcholanthrene-induced hamster sarcoma and several blood cell factors (1~). As the tumor grew in the hamster cheek pouch, characteristic alterations were noted in the levels of hemoglobin, red and white blood cells, differential white blood cell counts, ...

Inoculation of Lacazia loboi into the subcutaneous tissue of the hamster cheek pouch.

The subcutaneous tissue of the hamster cheek pouch, a site of immunologic privilege, has been used to investigate the potential infectivity of different types of parasites. It has been demonstrated that the implantation of fragments of lesions induced by the fungus Lacazia loboi, the etiologic agent of Jorge Lobo's disease, into the subcutaneous tissue of the hamster cheek pouch resulted in par...