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A lung nodule is a node that can be from infection, scar tissue or tumor. Depending on the size, shape and character of the nodule we determine the likelihood of cancer. If we cannot rule the possibility of lung cancer, a larger nodule (or mass) may be biopsied either using a bronchoscope by a lung doctor, or a needle biopsy under CT guidance by a radiologist for diagnosis in the least invasive way although there is a small chance of collapsing the lung.
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What is chronic apical pulmonary fibrosis?
Chronic means constant. Apical means relating to. Pulmonary means of the lungs. Fibrosis means the formation of excess fibrous connective tissue. So it means constant formation of excess fibrous connective tissue in the lungs.
What hormone is responsible for apical dominance?
The hormone responsible for apical dominance in plants is auxin. Auxin is produced primarily in the shoot apical meristem and it inhibits the growth of lateral buds, promoting the dominance of the apical meristem in controlling the plant's growth.
What causes apical dominance?
Apical buds are those located at the end of stems; lateral buds are located in the leaf axils along the length of the stems. Apical dominance occurs when a branch tends to get longer and longer without sending off branching shoots. This occurs because of a substance called auxin which is produced in the apical buds and which inhibits growth of stems from the lateral buds.
How is the shoot apical meristem different from the root apical meristem?
The main difference betweem root and shoot apical meristem is that in case of root apical meristem dermatogen and periblem fuses at apex and give rise to calyptrogen which is responsible for the formation of root cap
What cells undergo multiple divisions for apical growth or the growth at the tips of stems?
Meristem cells undergo multiple divisions for apical growth at the tips of stems. These cells are found in the shoot apical meristem and root apical meristem of plants, and continuously produce new cells for growth and development.
What is non calcified pulmonary parenchymal nodule?
sarcoidosis
What does FDG AVID pulmonary nodule with MAX SUV of 3.2 mean?
An FDG avid pulmonary nodule with a maximum standardized uptake value (SUV) of 3.2 indicates that the nodule has increased metabolic activity, as measured by positron emission tomography (PET) using fluorodeoxyglucose (FDG). An SUV of 3.2 suggests that the nodule is likely to be malignant, although not definitively, as benign lesions can also exhibit increased uptake. Further evaluation, such as biopsy or imaging follow-up, is usually recommended to determine the nature of the nodule.
What is chronic apical pulmonary fibrosis?
Chronic means constant. Apical means relating to. Pulmonary means of the lungs. Fibrosis means the formation of excess fibrous connective tissue. So it means constant formation of excess fibrous connective tissue in the lungs.
Solitary pulmonary nodule?
DefinitionA solitary pulmonary nodule is a round or oval spot (lesion) in the lungs that is seen with a chest x-ray or CT scan.Causes, incidence, and risk factorsMore than half of all solitary pulmonary are noncancerous (benign). Benign nodules have many causes, including old scars and infections.Infectious granulomas are the cause of most benign lesions.You have a greater risk for developing a solitary pulmonary nodule if you have:Tuberculosis or been exposed to TBInfectious lung diseases caused by fungus, such as: HistoplasmosisCoccidioidomycosisCryptococcosisAspergillosisHowever, the above conditions makes it more likely that the solitary pulmonary nodule is noncancerous.Young age, history of not smoking, calcium in the lesion, and small lesion size are factors associated with a noncancerous diagnosis.Lung cancer is the most common cause of cancerous (malignant) pulmonary nodules.SymptomsThere are usually no symptoms.Signs and testsA solitary pulmonary nodule is usually found on a chest x-ray. If x-rays repeated over time show the nodule size has remain unchanged for 2 years, it is generally considered benign.A chest CT scanis often done to look at a solitary pulmonary nodule in more detail.Other tests used to examine a solitary pulmonary nodule may include:PET scanPercutaneous needle biopsySingle-photon emission CT (SPECT) scanSkin tests to rule out infectious causesLung biopsyTreatmentAsk your doctor about the risks of a biopsy versus monitoring the size of the nodule with regular x-rays.Reasons for a biopsy or removing the nodule may include:SmokingThe nodule size has grown compared to earlier x-raysA CT scan suggests the lesion is malignant (cancerous)Expectations (prognosis)The outlook is generally good if the nodule is benign. If the nodule does not grow larger over a 2-year period, under most circumstances nothing more need be done. On occasion, the appearance of the nodule on CT scan may warrant continued follow-up.Calling your health care providerA solitary pulmonary nodule is usually found by your health care professional when a chest x-ray is performed for some other reason.ReferencesCronin P, Dwamena BA, Kelly AM, Carlos RC. Solitary pulmonary nodules: meta-analytic comparison of cross-sectional imaging modalities for diagnosis of malignancy. Radiology. 2008 Mar;246(3):772-82.Gould MK, Fletcher J, Iannettoni MD, et al. Evaluation of patients with pulmonary nodules: when is it lung cancer?: ACCP evidence-based clinical practice guidelines (2nd edition). Chest. 2007;132:108S-130S.Wahidi MM, Govert JA, Goudar RK, et al. Evidence for the treatment of patients with pulmonary nodules: when is it lung cancer?: ACCP evidence-based clinical practice guidelines (2nd edition). Chest. 2007;132:94S-107S.
What has the author John Dutton Steele written?
John Dutton Steele has written: 'The solitary pulmonary nodule' -- subject(s): Lung Neoplasms, Thoracic Radiography 'The Surgical management of pulmonary tuberculosis' -- subject(s): Treatment, Tuberculosis
What is a lower lobe pulmonary nodule?
It can be many tings : fibrosis calcified nodule (to the local old lesion - tuberculosis, dust intake to the workplace ), cancer, active tuberculosis, autoimmune disease, and more.The differentiation can be made on radiography, MRI, microscopic examination from biopsy fragment.
What does it mean if you have a white spot in your lung?
A white spot on an x-ray of the lung is also called a pulmonary nodule. A spot less than 3cm is a nodule, and larger is a mass. There are a couple reasons a pulmonary nodule would show up in the lung field. First, an infection in the lungs has left scarring, or a benign nodule in the lungs which does not need treated. Typically these types of spots will show up on the x-ray with defined borders. The other type of nodule is a malignant, or cancerous, pulmonary nodule. These need to be immediately treated for the best possible outcome. They typically show up on an x-ray with fuzzy or hard to define borders. It is recommended that if you smoke or are at risk for cancer to have annual chest x-rays done for precaution to ensure that any malignant nodule is caught before growing larger, becoming metastatic, and spreading.
What plants does have root nodule?
they have got a root nodule
apical?
apical industrial solution and technology
What is apical pulse?
apical pulse is actually the heartbeat
Where is the apical wall?
the heart
Who nodule is more dangerous hot nodule or cold nodule?
Only a doctor can order the tests to determine if any thyroid nodule is dangerous. A thyroid uptake scan will help your doctor determine if your thyroid is hot (active) or cold (inactive).
