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About Lung Cancer: A Patient Overview of Types,...
Lung cancer is the leading cause of cancer death worldwide, but it is also one of the most actively researched diseases in oncology. New targeted therapies, immunotherapies, and screening programs...
About Lung Cancer: A Patient Overview of Types,...
Lung cancer is the leading cause of cancer death worldwide, but it is also one of the most actively researched diseases in oncology. New targeted therapies, immunotherapies, and screening programs...
Whole-Body PET Scan: When It's Warranted and Wh...
Whole-body PET-CT is sometimes marketed to healthy adults as a "comprehensive cancer screen." The clinical reality is narrower. Oncologists order whole-body PET-CT for specific indications: cancer staging, response assessment, recurrence...
Whole-Body PET Scan: When It's Warranted and Wh...
Whole-body PET-CT is sometimes marketed to healthy adults as a "comprehensive cancer screen." The clinical reality is narrower. Oncologists order whole-body PET-CT for specific indications: cancer staging, response assessment, recurrence...
Liquid Biopsy vs Traditional Tumor Markers for ...
Blood tests for lung cancer split into two technological generations. Traditional tumor markers (CEA, CYFRA 21-1, SCC, NSE) — proteins released by cancer cells — have been clinical tools for...
Liquid Biopsy vs Traditional Tumor Markers for ...
Blood tests for lung cancer split into two technological generations. Traditional tumor markers (CEA, CYFRA 21-1, SCC, NSE) — proteins released by cancer cells — have been clinical tools for...
Pulmonologist vs Thoracic Oncologist vs Thoraci...
A patient with a new lung problem often arrives at the specialist door without knowing which door. Pulmonologists, thoracic surgeons, thoracic oncologists (medical oncologists specializing in lung cancer), and radiation...
Pulmonologist vs Thoracic Oncologist vs Thoraci...
A patient with a new lung problem often arrives at the specialist door without knowing which door. Pulmonologists, thoracic surgeons, thoracic oncologists (medical oncologists specializing in lung cancer), and radiation...
PSMA Biology Explained: Why PSMA Isn't the Answ...
PSMA PET has transformed prostate cancer imaging since 2020. But the technology has limits that aren't well-communicated to patients. About 5–10% of prostate cancers are PSMA-low or PSMA-negative, and these...
PSMA Biology Explained: Why PSMA Isn't the Answ...
PSMA PET has transformed prostate cancer imaging since 2020. But the technology has limits that aren't well-communicated to patients. About 5–10% of prostate cancers are PSMA-low or PSMA-negative, and these...
Cancers PET-CT Detects Best vs Misses: Sensitiv...
PET-CT with F-18 FDG is the most ordered cancer imaging test worldwide. It is also one of the most over-ordered when the wrong tracer is chosen. Cancer types differ enormously...
Cancers PET-CT Detects Best vs Misses: Sensitiv...
PET-CT with F-18 FDG is the most ordered cancer imaging test worldwide. It is also one of the most over-ordered when the wrong tracer is chosen. Cancer types differ enormously...
Lung Function Tests vs Imaging: When You Need W...
A doctor evaluating breathing symptoms reaches for either lung function tests or lung imaging — sometimes both, often one before the other. The two answer fundamentally different questions. Lung function...
Lung Function Tests vs Imaging: When You Need W...
A doctor evaluating breathing symptoms reaches for either lung function tests or lung imaging — sometimes both, often one before the other. The two answer fundamentally different questions. Lung function...
Lung Cancer Diagnostic Workup A-to-Z: Tests You...
From the first hint of a problem (a symptom, an incidental finding, or an abnormal screen) to a treatment-ready diagnosis takes a defined sequence of tests. Knowing the steps in...
Lung Cancer Diagnostic Workup A-to-Z: Tests You...
From the first hint of a problem (a symptom, an incidental finding, or an abnormal screen) to a treatment-ready diagnosis takes a defined sequence of tests. Knowing the steps in...
Solitary Pulmonary Nodule on PET: Workup and De...
A "solitary pulmonary nodule" on a chest CT is one of the most common incidental imaging findings — appearing on roughly 30% of CT scans done for any reason. Most...
Solitary Pulmonary Nodule on PET: Workup and De...
A "solitary pulmonary nodule" on a chest CT is one of the most common incidental imaging findings — appearing on roughly 30% of CT scans done for any reason. Most...
PET Radioactive Tracers: A Patient's List of Co...
PET imaging is no longer a one-size-fits-all modality. The right tracer for the clinical question can substantially affect what the scan finds. This guide catalogs the most common PET tracers,...
PET Radioactive Tracers: A Patient's List of Co...
PET imaging is no longer a one-size-fits-all modality. The right tracer for the clinical question can substantially affect what the scan finds. This guide catalogs the most common PET tracers,...
PET as Nuclear Medicine: Why Radioactive Tracer...
PET is classified as nuclear medicine, distinct from radiology even though the two are often performed in the same imaging department. The distinction matters because the technology, the safety profile,...
PET as Nuclear Medicine: Why Radioactive Tracer...
PET is classified as nuclear medicine, distinct from radiology even though the two are often performed in the same imaging department. The distinction matters because the technology, the safety profile,...
What a Normal Lung PET Scan Looks Like: A Patie...
A patient looking at their lung PET-CT report may see the word "unremarkable" or "no abnormal FDG uptake" and not know whether to be reassured. This guide walks through what...
What a Normal Lung PET Scan Looks Like: A Patie...
A patient looking at their lung PET-CT report may see the word "unremarkable" or "no abnormal FDG uptake" and not know whether to be reassured. This guide walks through what...
Bone PET vs Bone Scintigraphy: When Each Is Used
For decades, bone scintigraphy with Tc-99m methylene diphosphonate (the standard "bone scan") was the workhorse for detecting bone metastases. PET-based bone imaging (Na-F PET or FDG PET) has emerged as...
Bone PET vs Bone Scintigraphy: When Each Is Used
For decades, bone scintigraphy with Tc-99m methylene diphosphonate (the standard "bone scan") was the workhorse for detecting bone metastases. PET-based bone imaging (Na-F PET or FDG PET) has emerged as...
Lung Cancer Incidence by Age and Sex: Risk Curv...
Lung cancer risk is sharply age-dependent. A 70-year-old smoker has roughly 8–10× the risk of a 50-year-old smoker. A 30-year-old non-smoker has lung cancer risk well below 1 in 10,000...
Lung Cancer Incidence by Age and Sex: Risk Curv...
Lung cancer risk is sharply age-dependent. A 70-year-old smoker has roughly 8–10× the risk of a 50-year-old smoker. A 30-year-old non-smoker has lung cancer risk well below 1 in 10,000...
Pulmonary Sarcoidosis on PET-CT: Interpretation...
Pulmonary sarcoidosis is a granulomatous lung disease that often shows up on PET-CT looking remarkably like Hodgkin lymphoma. Bilateral hilar and mediastinal lymphadenopathy with intense FDG uptake — the same...
Pulmonary Sarcoidosis on PET-CT: Interpretation...
Pulmonary sarcoidosis is a granulomatous lung disease that often shows up on PET-CT looking remarkably like Hodgkin lymphoma. Bilateral hilar and mediastinal lymphadenopathy with intense FDG uptake — the same...
PET Scan False Positives: Nguyên nhân phổ biến ...
Một phát hiện "PET-dương tính" không phải lúc nào cũng có nghĩa là ung thư. Khoảng 15–25% các quét PET-CT FDG cho thấy một số lượng hút nào đó hóa...
PET Scan False Positives: Nguyên nhân phổ biến ...
Một phát hiện "PET-dương tính" không phải lúc nào cũng có nghĩa là ung thư. Khoảng 15–25% các quét PET-CT FDG cho thấy một số lượng hút nào đó hóa...
PET Tracer 'Dye' Explained: Not Actually a Dye
Patients often arrive for their PET scan asking about "the dye." The word reflects familiarity with iodine contrast used in CT scans. But what's injected for PET-CT is not a...
PET Tracer 'Dye' Explained: Not Actually a Dye
Patients often arrive for their PET scan asking about "the dye." The word reflects familiarity with iodine contrast used in CT scans. But what's injected for PET-CT is not a...
Cardiac Sarcoidosis PET Fasting Protocol and Di...
Cardiac sarcoidosis PET-CT is one of the few imaging studies with elaborate dietary prep — failing the prep means the scan can be uninterpretable. The 24-hour high-fat, low-carbohydrate diet shifts...
Cardiac Sarcoidosis PET Fasting Protocol and Di...
Cardiac sarcoidosis PET-CT is one of the few imaging studies with elaborate dietary prep — failing the prep means the scan can be uninterpretable. The 24-hour high-fat, low-carbohydrate diet shifts...
Sau Khi Quét PET: Biện Pháp Phòng Ngừa Bức Xạ C...
Một bệnh nhân rời phòng chụp PET sẽ tạm thời "phóng xạ" — chất theo dõi F-18 FDG vẫn còn trong các mô và sẽ từng chút một được thải...
Sau Khi Quét PET: Biện Pháp Phòng Ngừa Bức Xạ C...
Một bệnh nhân rời phòng chụp PET sẽ tạm thời "phóng xạ" — chất theo dõi F-18 FDG vẫn còn trong các mô và sẽ từng chút một được thải...
PET-CT with Contrast: When Iodine Contrast Is A...
A standard PET-CT consists of a PET (using FDG tracer) plus a CT for anatomical correlation. The CT portion can be either a low-dose non-contrast scan (most common) or a...
PET-CT with Contrast: When Iodine Contrast Is A...
A standard PET-CT consists of a PET (using FDG tracer) plus a CT for anatomical correlation. The CT portion can be either a low-dose non-contrast scan (most common) or a...
Choline PET Scan for Prostate Cancer Recurrence...
Choline PET-CT was the imaging workhorse for prostate cancer recurrence for about a decade — from the early 2000s until PSMA PET emerged in the late 2010s. Choline retains a...
Choline PET Scan for Prostate Cancer Recurrence...
Choline PET-CT was the imaging workhorse for prostate cancer recurrence for about a decade — from the early 2000s until PSMA PET emerged in the late 2010s. Choline retains a...
Mobile PET-CT Scanners: How They Work, Where Th...
If your nearest cancer center does not own a PET-CT, a mobile PET-CT scanner may roll into the parking lot once a week or month to do the work instead....
Mobile PET-CT Scanners: How They Work, Where Th...
If your nearest cancer center does not own a PET-CT, a mobile PET-CT scanner may roll into the parking lot once a week or month to do the work instead....
Lung Cancer Check-Ups: LDCT vs CT vs X-Ray vs B...
If you ask a general practitioner for "a lung cancer check," you might walk out with a chest X-ray, a low-dose CT, a contrast CT, a panel of blood tumor...
Lung Cancer Check-Ups: LDCT vs CT vs X-Ray vs B...
If you ask a general practitioner for "a lung cancer check," you might walk out with a chest X-ray, a low-dose CT, a contrast CT, a panel of blood tumor...
Signs of Early-Stage Lung Cancer (And What Test...
Most people who get lung cancer find out late — about 60% of cases are already at stage III or IV at diagnosis. The reason is simple: early lung cancer...
Signs of Early-Stage Lung Cancer (And What Test...
Most people who get lung cancer find out late — about 60% of cases are already at stage III or IV at diagnosis. The reason is simple: early lung cancer...
PET-CT Examination: Patient Walkthrough
A first PET-CT examination is unfamiliar to most patients. The combination of IV injection, one-hour waiting period, and unusual scanner can feel intimidating without a clear preview. This light guide...
PET-CT Examination: Patient Walkthrough
A first PET-CT examination is unfamiliar to most patients. The combination of IV injection, one-hour waiting period, and unusual scanner can feel intimidating without a clear preview. This light guide...
Positron Electron Tomography: What It Is and Ho...
Patients searching for "positron electron tomography" almost always mean positron emission tomography, the imaging technique more commonly called PET or PET-CT. The "electron" part of the search reflects the underlying...
Positron Electron Tomography: What It Is and Ho...
Patients searching for "positron electron tomography" almost always mean positron emission tomography, the imaging technique more commonly called PET or PET-CT. The "electron" part of the search reflects the underlying...
PET Emission Tomography: A Patient's Guide to P...
Positron emission tomography, often shortened to PET emission tomography or simply PET, is a nuclear medicine imaging technique that visualizes how tissues use sugar, oxygen, or specific tracer molecules. Unlike...
PET Emission Tomography: A Patient's Guide to P...
Positron emission tomography, often shortened to PET emission tomography or simply PET, is a nuclear medicine imaging technique that visualizes how tissues use sugar, oxygen, or specific tracer molecules. Unlike...
DOTATATE vs Octreotide Scan: Which PET Imaging ...
Neuroendocrine tumors (NETs) are a heterogeneous group of cancers arising from hormone-producing cells in the pancreas, gastrointestinal tract, lung, thyroid, and elsewhere. Most NETs express somatostatin receptors (SSTRs), particularly subtype...
DOTATATE vs Octreotide Scan: Which PET Imaging ...
Neuroendocrine tumors (NETs) are a heterogeneous group of cancers arising from hormone-producing cells in the pancreas, gastrointestinal tract, lung, thyroid, and elsewhere. Most NETs express somatostatin receptors (SSTRs), particularly subtype...
Chest X-Ray Lung Cancer Detection Rate: What 80...
The chest X-ray is the oldest, cheapest, and most widely available imaging test in modern medicine. Roughly 125 million chest radiographs are performed worldwide every year, and a large share...
Chest X-Ray Lung Cancer Detection Rate: What 80...
The chest X-ray is the oldest, cheapest, and most widely available imaging test in modern medicine. Roughly 125 million chest radiographs are performed worldwide every year, and a large share...
PSMA Imaging for Prostate Cancer: PET vs SPECT ...
"PSMA imaging" is an umbrella term covering several imaging techniques that target prostate-specific membrane antigen. Most patients hear about PSMA PET-CT — the most common form — but PSMA SPECT,...
PSMA Imaging for Prostate Cancer: PET vs SPECT ...
"PSMA imaging" is an umbrella term covering several imaging techniques that target prostate-specific membrane antigen. Most patients hear about PSMA PET-CT — the most common form — but PSMA SPECT,...
Lung Nodules: What They Mean and When to Worry
Most lung nodules are not cancer. That is the most important sentence in this guide, and the one most patients need to hear when a radiologist's report comes back with...
Lung Nodules: What They Mean and When to Worry
Most lung nodules are not cancer. That is the most important sentence in this guide, and the one most patients need to hear when a radiologist's report comes back with...
Blood Tests for Lung Cancer: Liquid Biopsy, Tum...
"Can I just get a blood test for lung cancer?" is one of the most common questions we get. The appeal is obvious: a tube of blood is cheap, painless,...
Blood Tests for Lung Cancer: Liquid Biopsy, Tum...
"Can I just get a blood test for lung cancer?" is one of the most common questions we get. The appeal is obvious: a tube of blood is cheap, painless,...
Lung Cancer in Non-Smokers: Why It Happens and ...
The public message about lung cancer has been simple for 60 years: don't smoke. That message has worked — smoking rates have fallen — and yet a stubborn fraction of...
Lung Cancer in Non-Smokers: Why It Happens and ...
The public message about lung cancer has been simple for 60 years: don't smoke. That message has worked — smoking rates have fallen — and yet a stubborn fraction of...
USPSTF Lung Cancer Screening Guidelines: Are Yo...
The most important question in lung cancer prevention is not "what scan should I get?" but "am I in the group where screening saves lives?" In the United States, the...
USPSTF Lung Cancer Screening Guidelines: Are Yo...
The most important question in lung cancer prevention is not "what scan should I get?" but "am I in the group where screening saves lives?" In the United States, the...
Chest X-Ray for Lung Cancer: What It Can (and C...
If your annual physical includes a chest x ray for lung cancer concerns, you might think you have lung cancer covered. You don't. A chest X-ray is one of the...
Chest X-Ray for Lung Cancer: What It Can (and C...
If your annual physical includes a chest x ray for lung cancer concerns, you might think you have lung cancer covered. You don't. A chest X-ray is one of the...
CT Scan for Lung Cancer: When You Need One, Wha...
If your doctor has ordered a CT scan for lung cancer, you probably have a question that an X-ray could not fully answer. Maybe the chest X-ray showed a shadow...
CT Scan for Lung Cancer: When You Need One, Wha...
If your doctor has ordered a CT scan for lung cancer, you probably have a question that an X-ray could not fully answer. Maybe the chest X-ray showed a shadow...
Medical PET Scan: A Patient's Guide to How It W...
A medical PET scan, more accurately PET-CT, is one of the most powerful tools in modern diagnostic imaging. Unlike CT or MRI, which show anatomy, PET shows function. It reveals...
Medical PET Scan: A Patient's Guide to How It W...
A medical PET scan, more accurately PET-CT, is one of the most powerful tools in modern diagnostic imaging. Unlike CT or MRI, which show anatomy, PET shows function. It reveals...
PET-CT for Non-Hodgkin Lymphoma: Staging and Re...
Non-Hodgkin lymphoma (NHL) is one of the cancers where PET-CT has fundamentally changed care. For most FDG-avid subtypes, PET-CT is now standard at three points: initial staging, interim treatment response,...
PET-CT for Non-Hodgkin Lymphoma: Staging and Re...
Non-Hodgkin lymphoma (NHL) is one of the cancers where PET-CT has fundamentally changed care. For most FDG-avid subtypes, PET-CT is now standard at three points: initial staging, interim treatment response,...
Brain PET Scan for Dementia, Tumors, and Epilep...
Brain PET imaging covers three clinical worlds that share little except the technology: distinguishing dementia subtypes, evaluating brain tumors after treatment, and localizing the focus of drug-resistant epilepsy. Each uses...
Brain PET Scan for Dementia, Tumors, and Epilep...
Brain PET imaging covers three clinical worlds that share little except the technology: distinguishing dementia subtypes, evaluating brain tumors after treatment, and localizing the focus of drug-resistant epilepsy. Each uses...
FDG vs PSMA PET for Prostate Cancer: Which to C...
For most cancers, FDG PET-CT is the default tracer. Prostate cancer is one of the exceptions. The biology of typical prostate adenocarcinoma — slow growth, fatty acid metabolism, low glucose...
FDG vs PSMA PET for Prostate Cancer: Which to C...
For most cancers, FDG PET-CT is the default tracer. Prostate cancer is one of the exceptions. The biology of typical prostate adenocarcinoma — slow growth, fatty acid metabolism, low glucose...
F-18 FDG PET: What FDG Measures and Its Diagnos...
FDG — fluorodeoxyglucose, labeled with the radioisotope F-18 — is the most widely used PET tracer in the world. Roughly 95% of clinical PET-CT scans use it. Its strengths and...
F-18 FDG PET: What FDG Measures and Its Diagnos...
FDG — fluorodeoxyglucose, labeled with the radioisotope F-18 — is the most widely used PET tracer in the world. Roughly 95% of clinical PET-CT scans use it. Its strengths and...
PET Scan Procedure Step-by-Step: What to Expect...
A first-time PET scan is unfamiliar to most patients in a way that an X-ray or even an MRI is not. The combination of an IV injection, a one-hour waiting...
PET Scan Procedure Step-by-Step: What to Expect...
A first-time PET scan is unfamiliar to most patients in a way that an X-ray or even an MRI is not. The combination of an IV injection, a one-hour waiting...
Cardiac Sarcoidosis PET-CT: When and Why It's t...
Cardiac sarcoidosis is one of the trickiest diagnoses in medicine. Symptoms — unexplained heart block, ventricular arrhythmia, heart failure with preserved ejection fraction — overlap with many other conditions. Standard...
Cardiac Sarcoidosis PET-CT: When and Why It's t...
Cardiac sarcoidosis is one of the trickiest diagnoses in medicine. Symptoms — unexplained heart block, ventricular arrhythmia, heart failure with preserved ejection fraction — overlap with many other conditions. Standard...
How to Read Your Chest X-Ray Report: A Patient'...
A chest X-ray report is often the first medical document a patient receives that uses unfamiliar language. The radiologist writes it for the referring physician, not for the patient —...
How to Read Your Chest X-Ray Report: A Patient'...
A chest X-ray report is often the first medical document a patient receives that uses unfamiliar language. The radiologist writes it for the referring physician, not for the patient —...
Lung Nodule Size Chart by Malignancy Risk (4mm ...
A scan report that says "8 mm pulmonary nodule" can mean anything from "ignore it" to "see a surgeon next week." The single most important number on the report is...
Lung Nodule Size Chart by Malignancy Risk (4mm ...
A scan report that says "8 mm pulmonary nodule" can mean anything from "ignore it" to "see a surgeon next week." The single most important number on the report is...
CEA, CYFRA, SCC Tumor Markers for Lung Cancer: ...
If your annual physical includes a "lung cancer panel," you have probably seen CEA, CYFRA 21-1, SCC, NSE, and ProGRP on the result sheet. These are serum tumor markers —...
CEA, CYFRA, SCC Tumor Markers for Lung Cancer: ...
If your annual physical includes a "lung cancer panel," you have probably seen CEA, CYFRA 21-1, SCC, NSE, and ProGRP on the result sheet. These are serum tumor markers —...
EGFR Mutations and Non-Smoker Lung Cancer in As...
For most of the last century, lung cancer screening guidelines were written for one patient: the older male heavy smoker. That patient is still the largest single subgroup. But an...
EGFR Mutations and Non-Smoker Lung Cancer in As...
For most of the last century, lung cancer screening guidelines were written for one patient: the older male heavy smoker. That patient is still the largest single subgroup. But an...
PET-CT for Lung Cancer Staging: Understanding Y...
After a lung cancer diagnosis, the next number you'll hear is your stage. TNM staging — T for tumor size and invasion, N for nodal involvement, M for distant metastases...
PET-CT for Lung Cancer Staging: Understanding Y...
After a lung cancer diagnosis, the next number you'll hear is your stage. TNM staging — T for tumor size and invasion, N for nodal involvement, M for distant metastases...
Fluorodeoxyglucose (FDG) PET Patient FAQs: Safe...
F-18 fluorodeoxyglucose (FDG) is injected for the great majority of PET scans worldwide. Despite being radioactive, it is one of the safest commonly-used imaging agents — fewer allergic reactions than...
Fluorodeoxyglucose (FDG) PET Patient FAQs: Safe...
F-18 fluorodeoxyglucose (FDG) is injected for the great majority of PET scans worldwide. Despite being radioactive, it is one of the safest commonly-used imaging agents — fewer allergic reactions than...
CT Scan Có Gây Ra Ung Thư Không? Toán Học Về Rủ...
Câu hỏi này xuất hiện liên tục trong mỗi phòng cấp cứu, mỗi cuộc kiểm tra ung thư, mỗi khám sức khỏe định kỳ có bao gồm chụp ảnh: CT...
CT Scan Có Gây Ra Ung Thư Không? Toán Học Về Rủ...
Câu hỏi này xuất hiện liên tục trong mỗi phòng cấp cứu, mỗi cuộc kiểm tra ung thư, mỗi khám sức khỏe định kỳ có bao gồm chụp ảnh: CT...