. The elements of pathological histology with special reference to practical methods . ^ ^^ V ^^ j^\ Fio. 22.—Soft Fibroma of the Skin, x 285. (Stained with hEematoxjlin and eosin.) The cells in these tumours may be unevenly distributed, so thatmore and less cellular portions alternate. They are usually elongatedor spindle-shaped, but round cells also occur, not uncommonly inlittle clusters, which then constitute the youngest spots or formativetissue of the tumour. (Edematous fibromata are those in which venous congestion hasresulted in extravasation of serum, and consequent softening andsepar
. The elements of pathological histology with special reference to practical methods . ^ ^^ V ^^ j^\ Fio. 22.—Soft Fibroma of the Skin, x 285. (Stained with hEematoxjlin and eosin.) The cells in these tumours may be unevenly distributed, so thatmore and less cellular portions alternate. They are usually elongatedor spindle-shaped, but round cells also occur, not uncommonly inlittle clusters, which then constitute the youngest spots or formativetissue of the tumour. (Edematous fibromata are those in which venous congestion hasresulted in extravasation of serum, and consequent softening andseparation or even liquefaction of the fibrils (Fig. 23, A), as wellas swelling of the cells. If during this process the latter assume astellate form (Fig. 23, a), a certain resemblance to myxomata retrograde changes, calcification is frequently observed. The fibroma never gives rise to metastatic growths, but it may LIPOMA. MYXOMA 79 originally occur in multijjlc form, as for example in the skin. It hasbeen shown with regard to the multiple fibroma of the skin (also called. Fio. 23.—Fibroma of the Labia Majora with (udema and commencing inflamma-tion after twisting of the pedicle, x 545. (Stained with alum cochineal.) A, CEdematouspart, the connective-tissue fibrils puslied asunder by serum, or liquefied ; B, The non-oedematous part; a, Stellate and spindle-shaped connective-tissue cells; b, Polynuclearleucocytes which have emigrated in conse(ivience of the inflammation. fibroma molluscum), that the tumours originate in the fibrous sheathsof the cutaneous nerves, and perhaps also of the vessels and theducts of the glands. (See Neuroma, p. 82.) 3. (ii.) Lipoma.—This consists of adipose tissue, which differs fromnormal adipose tissue only in the larger size, of its cells and lobules. When the connective tissue framework comes into greater promin-ence at the expense of the adipose tissue, we speak of a Jibro-lipoma,or lipo-fibroma (steatoma), and when mucous tissue is
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectpatholo, bookyear1895
