File:Transactions (1846) (14579349657).jpg

Identifier: transactions37path (find matches)
Title: Transactions
Year: 1846 (1840s)
Authors: Pathological Society of London Pathological Society of London. Report of the proceedings
Subjects: Pathology
Publisher: London Smith, Elder
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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pusfrom abscess-cavities, and can be easily distinguished with thenaked eye as minute brownish-yellow irregular spheres. The firstcase in England in which these appearances were detected was re-cognised by Dr. Sharkey and myself in the early part of 1885, andsubsequently Mr. Shattock i-ecognised two specimens which hadbeen regarded as abscess of the liver, and whigih he described inthe • Pathologica-l Transactions of last year. In three out of the DESCEIPTION OF PLATE XXV. To illustrate Dr. A elands paper on Actinomycosis Hominis.(Page 546.) Fi&. 1.—Mycosis of liver, general view (Zeiss A, oc. 1), showing smaller growthsuniting to form larger areas of degeneration.A.—Growing edge. Compare fig. 4.B.— Central area containing products of degeneration. Figs. 2 and 3.—Small growths of same nature as that shown in fig. 1. Infig. 2 no degeneration has taken place in centre. (Zeiss, obj. oil im. ^, oc. 1.) Fig. 4.—Growing edge more highly magnified. Trans Path.Soc HXVIf PLXXV
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If.EZcrpiSgc del. Danielsson & CcTith. I ACTINOMiCOSIS HOMINIS. 547 four series of specimens which are shown here to-night the radia-ting structures bear only the most superficial resemblance to thatwhich has been described above as Actinomycosis hovis. The raysconsist not of club-shaped rods but of innumerable fine threads,which are single, branched, twisted, or straight, and in some placesdivided transversely. The earliest appearances of any growth consist of minute rod-shaped bodies, and an uninterrupted series of rosettes can be seenranging upwards to the completely developed tuft. The largergrowths form rings with a hollow centre filled with degeneratedcells and threads; the circles expand like fairy rings, fuse together,and form the larger affected areas. It has been suggested thatthese appearances are due to the method of preparation or post-mortem growth, but these objections are very easily met. In the firstplace. Actinomycosis hovis shows only the club-shaped elements an

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