. Tumours, innocent and malignant; their clinical characters and appropriate treatment. rsae.—It is well known thatburste are prone to undergo inflammatory changes, especiallywhen situated in exposed situations, such as those whicharise in relation with the patella, and it is a matter ofcommon observation that a prepatellar bursa when chroni-cally irritated, as in housemaids and carpet-layers, willbecome almost solid: specimens illustrating this are commonin pathological museums. There are a number of care-fully observed cases which show that a bursa may becomethe seat of sarcoma, and in which
. Tumours, innocent and malignant; their clinical characters and appropriate treatment. rsae.—It is well known thatburste are prone to undergo inflammatory changes, especiallywhen situated in exposed situations, such as those whicharise in relation with the patella, and it is a matter ofcommon observation that a prepatellar bursa when chroni-cally irritated, as in housemaids and carpet-layers, willbecome almost solid: specimens illustrating this are commonin pathological museums. There are a number of care-fully observed cases which show that a bursa may becomethe seat of sarcoma, and in which local recurrence followed 72 CONNECTIVE-TISSUE TUMOURS extirpation of the tumour. Sarcomatous bursse have beenobserved in connexion with the patella, the semimem-branosus sac at the knee-joint, and the subdeltoid bursa. The chief clinical signs on which a diagnosis may befounded would appear to be these : a chronically enlargedbursa takes on active growth, and becomes firmer in con-sistence, and this is accompanied by great enlargement ofthe veins in the skin overlvino the Fig. i2.^Pedunculated bodies removed from the knee ; the joint containedthiity-six such bodies. It must be remembered that prepatellar bursse insyphilitics sometimes rapidly solidify. The literature of sarcomas arising in bursal sacs hasbeen collected by Adrian. It is characterized by greatpoverty. Sarcomas of the alimentary canal. — Although carci-noma is the prevailing type of malignant disease whichattacks the alimentary canal from the oesophagus to theanus, cases of sarcoma have been observed and reported insufficient numbers to enable their leading clinical features SARCOMAS 73 to be summarized. The disease arises in the submucoustissue, and may assume the form of a j^olypus, or infil-trate the wall of the canal, or project on the surface of theintestine in the form of plaques. All species of sarcomashave been observed. It is also noteworthy that sarcomasare more prone to attack those region
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectneoplasms, bookyear19
