Manuale di anatomia patologica . e da quella di un marbleto che di una testa di bambino.Questo potrebbe anche essere calledadenoma, essendo un vero glan-dular tumore. Cilindro-celled epithelioma^o vero adenoma è describedby Billroth e Eindfleisch.It è prodotta da prolifera-zione del ghiandolare epi-thelium, e forma una struttura alveolare in cui cylmdricalepithelium è contenuta, come quella del normale acini ghiandolari,hut disposte in modo disordinato, in modo tale da riempire la cavità,invece di rimanere variava lungo le pareti. Esso termina in fattydegeneration e formazione di cisti ateromatose, ma la ciste

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Manual of pathological anatomy . e from that of a marbleto that of a childs head.This might also be calledadenoma, being a true glan-dular tumour. Cylinder-celled epithelioma^or true Adenoma, is describedby Billroth and Eindfleisch.It is produced by prolifera-tion of the glandular epi-thelium, and forms an alveolar structure, in which cylmdricalepithelium is contained, like that of the normal glandular acini, hut arranged in a disorderly manner, so as to fill up the cavity, instead of remaining ranged along the walls. It ends in fattydegeneration and formation of atheromatous cysts, but the cysticdilatation of the ducts is not notable. It is plain that this tumourconstitutes a transition from simple glandular hypertrophy tocancer, resembling the former in the character or shape of itscells, the latter in their arrangement. It is a rare form of tumour ;we have had no opportunity of examining it. Cysto-sarcoma Mammce ; Sarcoma Adenmdes.—This form of tumouris not so uncommon as that just described, and has been the sub-. Lobular hypertrophy of mamma. A. Section showing the entrance of duct.B. Cioss section, resembling cystic disease. CAJs^CER OF THE IMAMMA. 785 ject of numerous histological investigations. Nevertheless, itsanatomy and history are by no means clearly made out; they havesometimes been confounded with simple hypertrophy. The newgrowth forms a nodular lobulated mass, of elastic or hard con-sistency, involving a larger or smaller part of the mammarygland ; usually solitary, but sometimes multiple, and affecting com-monly only one breast. It grows very slowly, and rarely ulcerates.The structure of these tumours is complicated, consisting partlj^of solid sarcomatous tissue, partly of cysts, and partly of glandulartissue. The solid tissue is plainly an outgrowth of the fibroustissue, which forms an important constituent of the mamma, especially in early life. It consists of sarcomatous tissue ; that isof round or spindle cells, with a considerable amount of int

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• bookcentury1800
• bookdecade1870
• booksubjectanatomy
• booksubjectp