. Tumours, innocent and malignant; their clinical characters and appropriate treatment. Fig. 5.—Lipoma in the palm. times calcify, the earthy matter being deposited in thefibrous septa of the tumours. A partially calcified lipomais preserved in the museum of St. Bartholomews Hospital,which came from the arm of an Arab sheikh, where ithad existed fifty years. Calcification may be associatedwith saponification of the fat. The subcutaneous fat in the neck, axilla, and groinsometimes forms irregularly lobulated masses called diffuselipomas, but they are not strictly tumours (Fig. 6). LIPOMAS 15 2.
. Tumours, innocent and malignant; their clinical characters and appropriate treatment. Fig. 5.—Lipoma in the palm. times calcify, the earthy matter being deposited in thefibrous septa of the tumours. A partially calcified lipomais preserved in the museum of St. Bartholomews Hospital,which came from the arm of an Arab sheikh, where ithad existed fifty years. Calcification may be associatedwith saponification of the fat. The subcutaneous fat in the neck, axilla, and groinsometimes forms irregularly lobulated masses called diffuselipomas, but they are not strictly tumours (Fig. 6). LIPOMAS 15 2. Subserous lipomas.—The peritoneum, like the skin,rests upon a bed of fat, the thickness of which varies con-siderably. Lipomas occurring in subserous tissue are sessile,or pedunculated. Surgeons have long been aware, in operating for in-guinal or femoral hernia, that occasionally they come acrossa mass of fat and find difficulty in determining whether. Fig. 6.—Diffuse lipoma of the neck. [After Morrant Baker.) it be omental or a local increase of the subserous fat sur-rounding the hernial sac. It is now clear that in theneighbourhood of the femoral and inguinal canals an over-growth of the subserous fat may occur and be mistakenfor a hernia, and individuals have been recommended towear, and have actually worn, trusses for fatty masses ofthis character. It is also clear that, as these local over-growths of fat arise and protrude in the groin, theyoccasionally draw with them a pouch of peritoneum un-associated with a hernia. These pouches may afterwards 16 G0NNEGTIVE-TI8SUE TUMOURS lodge a piece of gut, and become true hernial sacs. Thusperitoneal pouches, produced mechanically by subserous lobesof fat, may subsequently become hernial sacs; on theother hand, pedunculated lobes of fat may arise in relationwith peritoneal pouches which were originally hernial sacs. Insome cases a subserous lipoma of this character will invagi-nate a p
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectneoplasms, bookyear19
