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CEA Blood Test: What It Is & What Results Mean

CEA blood test measures carcinoembryonic antigen levels to help monitor colorectal and thyroid cancer treatment and detect recurrence. High CEA may also occur with conditions like gastritis, COPD, or diabetes, and does not always indicate cancer.

Tests

PET Scan: What It’s For & How It’s Done

Pet scan is an imaging test that uses radioactive tracers to evaluate cancer, metastases, treatment response, neurological conditions, and heart blood flow.

Tests

Monocytes: What They Are & Normal Levels

Monocytes are white blood cells that help fight infections. High or low levels on a CBC may indicate immune changes, infections, autoimmune disease, leukemia or bone marrow problems.

Tests

Hct Blood Test: What It Is & What Results Mean

Hct blood test measures hematocrit, the percentage of red blood cells in blood, helping assess anemia, dehydration, bleeding, nutrient deficiencies, lung disease and other conditions.

Tests

Breast Ultrasound: When It's Done & What to Expect

Breast ultrasound helps evaluate breast lumps, cysts, dense breast tissue, implants, and inflammatory changes, and may be used to guide biopsy or complement mammogram findings.

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Apolipoprotein B (ApoB): Function, Normal or High Levels & Causes

Apolipoprotein B is a blood protein linked to harmful cholesterol particles and heart disease risk. High ApoB may occur with high triglycerides, diabetes, obesity or inherited cholesterol problems and may improve with lifestyle changes or medication.

Tests

Scintigraphy: Why It's Done & What to Expect

Scintigraphy is a nuclear medicine imaging test that uses radioactive tracers to assess organs, tissues, bones, blood flow, and air flow, helping diagnose or monitor conditions like heart disease, thyroid cancer, pulmonary embolism, and infections.

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Prostate Ultrasound: What It Is & When It's Recommended

Prostate ultrasound is an imaging test that checks the prostate, seminal vesicles, and bladder to help identify prostatitis, benign prostate enlargement, prostate cancer signs, or causes of urinary symptoms.

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Cholangiogram: What It’s For & How It’s Done

Cholangiogram is an imaging test that evaluates the bile ducts, helping detect blockages, gallstones, tumors, or surgical complications. It may be done with contrast, endoscopy, MRI, fluoroscopy, or ultrasound.

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Sonohysterogram: What It's For & How It's Done

Sonohysterogram is an imaging test that helps evaluate the inside of the uterus, identify fibroids or polyps, check for blocked fallopian tubes, and investigate abnormal bleeding, infertility, or recurrent miscarriages.

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BUN Blood Test: What It Is & What Results Mean

BUN blood test: what it measures, normal range, preparation, how it is done, and what high or low BUN levels may mean for kidney and liver function.

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Bilirubin: What High Levels Mean for Your Health

Bilirubin is a liver-produced substance linked to red blood cell breakdown. High bilirubin can cause jaundice, dark urine, and may indicate liver, gallbladder, blood, or medication-related problems.

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Wood's Lamp: How It Works & What Results Mean

Woods lamp is a diagnostic exam used in dermatology to help identify fungal and bacterial infections, pigment changes like vitiligo and melasma, and signs of oily or dry skin based on fluorescence under UV light.

Tests

Audiometry: Types, Testing & Results

Audiometry is a hearing test that measures how well sounds and words are heard and understood. It includes tonal and speech testing, is done in a soundproof booth, and can help identify hearing loss and guide evaluation of possible causes.

Tests

Cytogenetics: What It Is & How It Works

Cytogenetics is a test that analyzes chromosomes to detect changes in their number or structure, helping diagnose genetic disorders, leukemia, lymphoma, and other conditions using blood, tissue, bone marrow, or prenatal samples.