NEOPLASMS IN THE DOG’S LIVER.

_Lipoma._ Trasbot describes two fatty tumors in the liver of a bitch,

one of them as large as an infant’s head. It had a yellowish white

color, and had taken the place of the proper hepatic tissue.

_Malignant Tumors._ These are rather common. _Sarcomatous_ masses with

round and fusiform cells in a fibrous stroma; _encephaloid_ with a

delicate stroma and large alveoli filled with cells, and having a soft

brainlike consistency; _carcinoma_ with dense and thick fibrous stroma

and nests of cells in comparatively small numbers; and _epithelioma_

with flattened, cylindroid or other epithelial cells in masses often

affecting a tubular aggregation, are seen in different cases. Sometimes

apparently primary, they can more commonly be traced to pre-existing

centres of the same formation on the course of the portal vein or

elsewhere.

_Symptoms._ A gradual wasting and emaciation with a yellowish pallor of

the mucous membranes are characteristic. Trasbot gives the excessive

atrophy of the temporal and masseter muscles as pathognomonic. Ascites

is a usual complication. Enlargement of the liver, as shown by

percussion of the right hypochondrium, and, in case of flaccid abdomen,

by manipulation, and attendant signs of tenderness are corroborative.

Variability or loss of appetite, and vomiting is not uncommon, and in

case of primary or secondary deposits in other organs in the abdomen,

thorax or elsewhere, the symptoms resulting from functional derangement

of such organ may be found. Treatment is hopeless.

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