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Doctor insights on: What Are Lung Lesions

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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A study showed PET could pick up lung tumours as small as 3mm http://clincancerres.aacrjournals.org/content/11/17/6186 Why are lesions 4-8mm missed?

A study showed PET could pick up lung tumours as small as 3mm http://clincancerres.aacrjournals.org/content/11/17/6186 Why are lesions 4-8mm missed?

PET not alwa reliabl: PET scan is the best test for detecting Cancer in the body. Yet for small lung nodules, it can be falsely negative for lesions <5-8 mms. CT scan is actually a better test in picking of very small cancerous nodules in the lung. PET scan is a better test for the mediastinal lymph nodes. So no single test is 100 % reliable for lung cancer especially tiny ones. ...Read more

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How can you remove or clear the lung with fibrosis or healed lesions?

How can you remove or clear the lung with fibrosis or healed lesions?

Likely to persist: Lung fibrosis and/or healed lesions are generally permanent scars that do not go away with any treatments. Depending on the size or extent of involvement of lung tissue, their impact on lung function can vary. Since you have not provided any details about the underlying cause for the lesions & whether its a progressive lung condition or not, it will be difficult to provide a specific answer. ...Read more

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Can multiple lung lesions 3.2 CM in size be detected on a chest X-ray of the lungs?

Can multiple lung lesions 3.2 CM in size be detected on a chest X-ray of the lungs?

Yes: The resolution of the cxr is that it can detect nodules as small as 1cm or even smaller depending on the location, i.e., not hidden by the bones or the heart but a 3.2 cm size nodule should definitely be seen. ...Read more

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I too was told I have a thickening of my left adrenal gland as well as nodules in my lungs and lesions on my kidneys. Should I be concerned?

I too was told I have a thickening of my left adrenal gland as well as nodules in my lungs and lesions on my kidneys. Should I be concerned?

Lesions in lung: YES! But need much more information. BP/ Where do you live? Histoplasmosis country? Blood in your urine? How old are you? Why was the scan done? Any known cancer? Happy to consult as I specialize in adrenal problems. Be worried!!! ...Read more

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Iwould multiple lung lesions 2.5 CM eeavh in size located on the outer part of the right lung be detected on a chest x ray? My diagnosis is stage4 non

Iwould multiple lung lesions 2.5 CM eeavh in size located on the outer part of the right lung be detected on a chest x ray? My diagnosis is stage4 non

Usually: The smallest lesion on chest radiograph that can be detected is about 5 to 8 mm. A lot depends on its location, peripheral or central. 2.5 cm lesions are easily visualized. ...Read more

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Bone scan revealed small lesions on lungs/ribcage. Could they be anything other than cancer?

Bone scan revealed small lesions on lungs/ribcage. Could they be anything other than cancer?

Correlation: Bone scan is very sensitive and not specific. Correlative imaging ususally ct of chest would be needed. Lesions of ribs can also be fractures, benign tumors, and congenital anomalies. Lung uptake can also occcur in metabolic conditions, sometimes infection, scars, etc. ...Read more

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Can a chest X-ray show clear lungs but 1 month later show multiple lung lesions 2.5 CM in size?Do lesions grow that fast?Or did the radiologist fail?

YES IT CAN: Yes it can, it depends on what the lesions are from.Radiologist can not make such a mistake.A clear lung on chest xray can not be nd same is tru about multiple lesions which develop within a month.You have to follow up this with your doctor to find out what is the cause of these multiple lesions in lung it may be due to infection or some kind of tumors.It definitely needs to be investigated furthe. ...Read more

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Would a radiologist identify multiple 3.4 cm size lung lesions on the outer part of the lung on a chest xray??

Would a radiologist identify multiple 3.4 cm size lung lesions on the outer part of the lung on a chest xray??

Lung nodules/lesions: normally abnormalities larger than 1 cm and sometimes even smaller than 1 cm will be noted by a radiologist interpreting a chest x-ray. Normal structures are not typically mentioned. It's also possible to have lesions visible on a CT scan that won't be visible on a plain chest x-ray either due to size or location possibly hidden by other structures such as the heart, diaphragm, or ribs. ...Read more

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What is the meaning of nodular, fibrotic and reticular TB lesions noted in my left upper lung as seen in my X-ray result. What do I need to prevent it?

What is the meaning of nodular, fibrotic and reticular TB lesions noted in my left upper lung as seen in my X-ray result. What do I need to prevent it?

Treatment/active TB: The lesions in the setting of TB infection require that you be treated for TB. The physicians will obtain a culture to confirm the diagnosis and to determine the correct medication regimen. PRMG fax US 858 259 9689 for review of records and ?s ...Read more

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I have no active pulmonary lesions, no active pulmonarytuberculosis and pneumonia, no abnormal mass lesions(lung cancer etc.), and no bony abnormalities. But i havepain in chest. Can you explain why it might be so?

I have no active pulmonary lesions, no active pulmonarytuberculosis and pneumonia, no abnormal mass lesions(lung cancer etc.), and no bony abnormalities. But i havepain in chest. Can you explain why it might be so?

Normal: This sounds like a description of the negative findings on a chest x-ray. Pa refers to the way the x-ray was taken. Tbc refers to tuberculosis. In other words no abnormalities found - a normal chest x-ray. ...Read more

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Old CT reports .. No lung lesions . New CT reports ..... Upper lobe nodule remains unchanged . Mcrc patient . Confussed plz advise ?

Old CT reports .. No lung lesions . 
New CT reports ..... Upper lobe nodule remains unchanged .

Mcrc patient . Confussed plz advise  ?

Missed nodule?: It is possible that the nodule was so small that it was missed on the first CT report. Whenever you have a CT scan or xray the radiologists always looks back and the previous one for comparison. It is possible that the radiologist that read the more recent CT saw something that was missed earlier. The fact that it is unchanged between CT reports means it is probably benign. ...Read more

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58 Years old diagnosed with Stage IV colorectal cancer and spread to liver with 7+cm tumor and lesions in the lung. What kind of life expectancy?

58 Years old diagnosed with Stage IV colorectal cancer and spread to liver with 7+cm tumor and lesions in the lung. What kind of life expectancy?

It Depends: Recent progress in genetic typing of individual Colon Ca tumors and genetic specific tumor drugs is leading to better understanding of likelihood of treatment success. See: https://www.researchgate.net/profile/Arun_Azad/publication/246837094_Predicting_the_response_to_targeted_therapy_in_metastatic_colorectal_cancer/links/5419c4180cf2218008bf9f8a.pdf I recommend getting into a clinical trial. ...Read more

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Just had CT scan for my mcrc, lesions in liver, one in lung, hernia containing low density material, diffuse omental disease what is my prognosis?

Just had CT scan for my mcrc, lesions in liver, one in lung, hernia containing low density material, diffuse omental disease what is my prognosis?

Short term: I am sorry to hear of your metastatic colorectal cancer. You have metastatic disease and the ct scan shows omental disease. This would be a good time to get hospice involved. The doctor who ordered the tests will be able to review the findings. Bring a family member to help write down your questions and answers. Again I am sorry to hear about your disease. ...Read more

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My mum, 67 , was diagnosed with colon cancer with liver metastases, lesions in lungs and kidneys. Starting folfox tomorrow?? Life expectancy?

My mum, 67 , was diagnosed with colon cancer with liver metastases, lesions in lungs and kidneys. Starting folfox tomorrow?? Life expectancy?

Not enough: Need to assess for Kras and Nras mutation IF she is wild type she should receive FOLFIRI and Erbitux If she has mutation the treatment of choice FOLFOX and Avastin Life expex 22 - 26 months... If responsive disease can be extended with other agents and survival can extend several years. New agents add to OS sequencing of therapy is important to extend Overal survival ...Read more

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Is a chest x-Ray enough to eliminate the possibility of Kaposi sarcoma in the lungs? Addressed for hiv positive individuals. No skin lesions

Is a chest x-Ray enough to eliminate the possibility of Kaposi sarcoma in the lungs? Addressed for hiv positive individuals. No skin lesions

Suggest CT: Three reasons CT is better than chest x ray for this situation: 1) Kaposi sarcoma can be subtle on CXR, esp if early. 2) CT is by far better at showing otherwise occult disease in the chest. 3) The chances of an HIV pt. having other problems that only CT might see is not insignificant. ...Read more