Manual of pathological anatomy . Some specimens of fibroidand indurated lung, with cavitiesmuch like what have just beendescribed, are found on examina-tion to contain tubercles. Dr. Williams describes a chro-nic form of pneumonia, in whichthe hepatized portion, owing tothe thickening of individual vesi-cles, assumes an oolitic is of opinion that consumptionmay originate in this species ofpneumonia without the pre-exist-ence of any distinct tuberculousdisease. It is not impossible thatsome of the fibroid contractions ofthe pulmonary tissue, which we meet with, particularly at the api
Manual of pathological anatomy . Some specimens of fibroidand indurated lung, with cavitiesmuch like what have just beendescribed, are found on examina-tion to contain tubercles. Dr. Williams describes a chro-nic form of pneumonia, in whichthe hepatized portion, owing tothe thickening of individual vesi-cles, assumes an oolitic is of opinion that consumptionmay originate in this species ofpneumonia without the pre-exist-ence of any distinct tuberculousdisease. It is not impossible thatsome of the fibroid contractions ofthe pulmonary tissue, which we meet with, particularly at the apices of the lungs, may be due to anarrest of chronic pneumonia as well as to previous pleuritic inflam-mation ; we occasionally meet with depressions in otherwise healthylungs, which are unconnected with emphysema, and for which noother explanation can be offered than a foregone inflammatorycondition of the interstitial tissues of an aplastic character, anopinion in which we are also borne out by the authority of I^^.Williams.*. Fibroid or adenoid tissue from anindurated lung-, !?hov/ing- abundantlymphoid corpuscles and tibrous inter-cellular substance. It much resi-mblesthe tissue produced in chronic inflamma-tion of a lymphatic gland. (See pp. 154and 418.) colliers phthisis, anthrakosis, pigmentation of the LUNG. Closely connected with ordinary chronic pneumonia are thosedestructive diseases of the lung which are caused by the inhalationof irritatins substances in the form of dust. The best know a irritating Principles of Medicine, p. 313. London, 1£43. 492 colliers phthisis. disease of this kind istliat described as the * Colliers Phthisis, or,as it has been called, anthrakosis. The lungs of colliers are oftenfound after death to be exceedingly full of black pigment, andthere is no doubt that this is carbonaceous dust inhaled during were at one time made to this conclusion by someGerman pathologists, but the discovery by Traube in a lung of thiskind of a frag
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