Manifestations of Pulmonary Tuberculosis (symptoms, signs)

This article is to discuss the clinical picture of T.B ( manifestations | symptoms and signs ) .
TB is usually classified as pulmonary or extrapulmonary. In absence of HIV infection, it involves the lungs only in > 80% of cases. In presence of HIV, up to 2/3 of patientswith TB have either extrapulmonary disease alone or both pulmonary and extrapulmonary disease.​

I- Clinical picture of Primary complex

(it is often seen in children)
In most cases the primary infection produces no symptoms or signs. Fever, dry cough may occur for 1-2 weeks so, the condition usually passed unnoticed unless the following investigations are done. :
-​

Chest x-ray

, ​

Sputum

examination
- ​

Tuberculin test

shows conversion from -ve to +ve​

So

clinical disease results from the development of hypersensitivity or progression of the primary complex.​

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(A) Hypersensitivity: to tubercle bacilli may occur leading to:

a- Erythema nodosum * Bluish red nodule
* Raised
* Tender
* Cutaneous on the skin of tibia
* Tuberculin test is strongly + ve
b- Pleural effusion===> exudative reaction (Hypersensitivity)
c- Phylectinular conjunctivitis.

(B) Progression of primary pulmonary tuberculosis :

Read more at : Manifestations of Pulmonary Tuberculosis
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