Can an xray miss a tumor?
Approximately 90% of missed lung cancer cases occur on chest X-ray. Although CT is much more sensitive than chest radiography, lung cancer may still be missed. Observer error, lesion characteristics, and technical defects are the main causes of missed lung cancer.
Can a tumor be mistaken for a hematoma?
Chronic expanding hematoma is a rare persistent hematoma that can sometimes be misdiagnosed as a malignant tumor due to its clinical and radiological features.
Can CT scans miss tumors?
CT scans can produce false negatives and false positives. CT scan can miss cancer, or miss tumors in other areas of the body. CT scans are proven to be less effective at diagnosing cancer than PET/CT.
What can be mistaken for a hematoma?
Discussion. When a patient presents with an expanding, nontraumatic mass simulating a haematoma, several other differential diagnoses should be considered including aneurysm, bleeding tendency, chronic expanding haematoma and soft-tissue sarcoma.
How do you know you have a hematoma?
Pain, swelling, redness, and disfiguring bruises are common symptoms of hematoma in general. Some symptoms specific to the location of a hematoma are: Subdural hematoma symptoms: headache, neurologic problems (weakness on one side, difficulty speaking, falling), confusion, seizures.
Are hematomas hard or soft?
In general, superficial hematomas of the skin, soft tissue, and muscle tend to resolve over time. The initial firm texture of the blood clot gradually becomes more spongy and soft as the body breaks down the blood clot, and the shape changes as the fluid drains away and the hematoma flattens.