Is tree-in-bud serious?
Occasionally, it may reflect reinfection with new organisms. The tree-in-bud pattern suggests active and contagious disease, especially when associated with adjacent cavitary disease within the lungs. The most common CT findings are centrilobular nodules and branching linear and nodular opacities.
Does tree-in-bud mean cancer?
Malignancy can be associated with the ‘tree-in-bud’ sign. Intravascular pulmonary tumor embolism often occurs in cancers of the breast, liver, kidney, stomach, prostate, and ovaries and can lead to the tree-in-bud sign in HRCT [2,14].
Why do cannon balls appear in the lungs?
Cannon ball lesions in lung fields are most commonly due to hematogenous spread of a primary malignancy elsewhere; the most common primaries are as follows: Breast carcinoma. Colorectal carcinoma. Renal cell carcinoma.
What is Cannonball cancer?
Abstract. Cannonball metastases refer to well-defined spherical nodules scattered over both lungs, being a classical presentation of hematogenous tumor spreading. Striking progression of lung metastases without established primary malignancy can raise a diagnostic challenge.
What does bronchiectasis mean?
Bronchiectasis is a long-term condition where the airways of the lungs become widened, leading to a build-up of excess mucus that can make the lungs more vulnerable to infection. The most common symptoms of bronchiectasis include: a persistent cough that usually brings up phlegm (sputum)
What is Lady Windermere Syndrome?
Lady Windermere syndrome refers to a pattern of pulmonary Mycobacterium avium complex (MAC) infection seen typically in elderly white women who chronically suppress the normal cough reflex. A fastidious nature and a reticence to expectorate are believed to predispose such persons to infections with MAC.
Can bronchiectasis turn into cancer?
The bronchiectasis patients exhibited a 2.36-fold increased risk of lung cancer compared with the control cohort. The incidence rate of lung cancer increased as age increased in both cohorts.
What are in cannonballs?
Allegheny Arsenal continued producing four types of cannonballs: Solid iron balls (solid shot), clusters or cans of small iron or lead balls (known as case shot, grapeshot or canister), exploding iron balls filled with lead shrapnel (spherical case shot) and hollow iron exploding balls (shells).
What is pulmonary necrosis?
Lung abscess is defined as necrosis of the pulmonary tissue and formation of cavities containing necrotic debris or fluid caused by microbial infection. The formation of multiple small (< 2 cm) abscesses is occasionally referred to as necrotizing pneumonia or lung gangrene.
What is disseminated cancer?
disseminated cancer in British English (dɪˈsɛmɪˌneɪtɪd ˈkænsə ) noun. medicine. a cancerous tumour that has spread from the site of original growth to a secondary site.
What are the 3 types of bronchiectasis?
What is bronchiectasis?
- Cylindrical bronchiectasis: bronchi are enlarged and cylindrical.
- Varicose bronchiectasis: bronchi are irregular with areas of dilatation and constriction.
- Saccular or cystic: dilated bronchi form clusters of cysts.
https://www.youtube.com/watch?v=w3Oo7ckZNqk