Pictures Of Chronic Bacterial Infection Granuloma

Pictures Of Chronic Bacterial Infection Granuloma Early TB granuloma showing epithelioid cells and Langhans giant cells TB granuloma showing epithelioid cells, many Langhans giant cells and central caseation Milliary TB showing numerous tiny tubercles Gumma of syphilis showing central caseation-like necrosis Hutchinson’s teeth in congenital Lepromatous reaction in the skin Lepra cells and giant cells […]

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HYDATID DISEASE

HYDATID DISEASE Caused by a small tape worm known as taenia echinococcus. It is a parasite of the dog living in its intrestine. Method of infection: The human is infected by eating raw vegetable contaminated with the excreta of the infected dogs which is full of ova. In the intestine the ova hatch into embryos […]

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BILHARZIASIS

BILHARZIASIS Bilharziasis is an indemic parasite disease in Egypt caused by Schistosoma hematobium and schistosma mansoni. The infective stage (cercaria) enters the body by piercing the skin. The adult warm lives & matures in the portal vein. This worm then migrates to lay its ova. The ova deposited become surrounded by bilharzial granulation tissue made […]

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ACTINOMYCOSIS

ACTINOMYCOSIS It a chronic suppurtive granulematous disease caused by filamentous bacteria called actinomyces bovis. These are normal habitants of tonsils and mouth (with bad teeth) & intestine. The infection occurs with lowering of the immunity. The organisms attack the body leading to formation of multiple abscesses containing colonies of the organism in the affected area […]

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RHINOSCLEROMA

RHINOSCLEROMA Is caused by kelbsiella rhinscleromatis. The granules affect the mucous membrane of the nose or the mucous membrane of the larynx or pharynx. Infection leads to nodule formation or leads to thickening of the mucous membrane. Microscopically: the lesion is characterized by the presence of: a) Mickulicz cells: macrophages with clear cytoplasm containing organism. […]

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SARCOIDOSIS

SARCOIDOSIS   It is of unknown cause. It is characterized by multiple granulomatous lesions, may affect lymph nodes, lungs, skin spleen, eyes, salivary glands, liver and bones particularly those of the hands and feet. It is more common in young adult. – The disease most commonly gives rise to enlarged mediastinal and pulmonary hilar lymph […]

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LEPROSY (HANSEN’S DISEASE)

LEPROSY (HANSEN’S DISEASE) Definition: It is a chronic granulomatous inflammatory disease caused by mycobacterium leprae. It affects primarily the peripheral nervous system and skin. As a result of nerve damage there may be paralysis, deformity, and ulcerations.   Method of infection: Directly from the ulcerated nodules of the nasal discharge. An intimate and prolonged contact […]

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CONGENITAL SYPHILI

CONGENITAL SYPHILI The disease is transmitted from the syphilitic mother to the fetus. Its severity depends mainly on the duration of material infection. Manifestions of congenital syphilis 1. Early death of fetus leading to abortion. 2.  Premature still-borne child: in which the skin is macerated and the syphilitic reaction appears in many organs as liver, […]

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ACQUIRED SYPHILIS

ACQUIRED SYPHILIS   -Primary stage: Also known as primary sore or chancre appears at the site of infection after an incubation period 3-4 weeks. It appears as very firm or hard pale brownish red in colour, 1cm in diameter, painless nodule which soon ulcerates (in few days) and becomes infectious. The regional lymph nods are […]

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SPYHILIS

SPYHILIS Definition: It’s a highly infectious, venereal, chronic granulomatous inflammatory disease caused by treponerna pallidum.   Methods of infection: 1-     Direct contact during sexual intercourse. The spirochaetes can penetrate an intact mucous membrane but it cannot enter the skin unless there are abrasions. The spirochaetes spread to the regional lymph nodes rapidly and reach the […]

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