CHAPTEE XXIII. 



BENIGN TUMOURS. 



CLASSIFICATION — FIBROUS — POLYPI — INDURATED ABSCESSES — EPIDER- 

 MIC WARTS — CONDYLOMATA GRAPES LIPOMATA NEUROMATA 



ENCHONDROMATA CRUSTA PETROSA CALCAREOUS OSTEO- 

 PHYTES — OSTEO-SARCOMA CYSTIC, BARREN AND PROLIFEROUS 



CYSTS GASEOUS, SEROUS, SYNOVIAL, AND MUCOUS CYSTS CAPPED 



ELBOW — CAPPED HOCK — OVARIAN CYSTS — RANULA — BRONCHOCELE 



CUTANEOUS AND HAIR-BEARING CYSTS CYSTIC DISEASE OF THE 



FACIAL SINUSES — DENTIGEROUS OR TEETH-BEARING CYSTS. 



KON-MALIGNANT, BENIGN, OR SIMPLE TUMOURS. 



These are classified as sarcomatous and encysted — the former 

 being solid, the latter composed of a cyst containing materials 

 of variable consistence. 



I. Sarcomatous or Solid Tttmours. — There are several varieties 

 of these tumours found in veterinary practice, the most common 

 being the fibrous, which are found in many different parts of 

 the body, differing in size from a simple wart to a tumour many 

 pounds in weight. 



A fibrous tumour usually found in parts which contain much 

 fibrous tissue, is slow in its growth, and is not accompanied by 

 pain or tenderness unless accidentally inflamed ; is of a hard, 

 rounded form, with its surface smooth or divided into lobes ; gene- 

 rally moveable, and contained in a wall of areolar tissue. 



The most familiar example is the suheutaneous tvart. These 

 warts are of various sizes ; some as small as a pea, others as 

 large as a goose's egg, lodged in the subcutaneous areolar tissue, 

 singly or in clusters. They differ much in their degree of con- 

 nection with surrounding parts, being sometimes firmly attached 



