Hematuria, cystoscopy, pyelogram, tomography and renal biopsy.
hematuria for which no cause has been found.
28 years old.
cell trait has been identified, and a cystoscopy performed by an urologist
turned up no disease.
had an intravenous pyelogram and both detailed contrast and noncontrast
computed tomography of the abdomen and pelvis, all of which were negative
for renal or lower urinary system disease.
next step a renal biopsy?
in the urine is a common problem. The medical term for red blood cells
in the urine is hematuria. Sometimes blood in the urine is a sign
of a more serious problem in the urinary tract. Other times it is
not serious and requires no treatment.
amount of blood in your urine is normal. The average person with a
healthy urinary tract excretes about 1 million red blood cells (RBC)
in the urine each day. This amount of blood is not visible. This is
not considered hematuria.
amount of blood in the urine can be acute (new, occurring suddenly)
or chronic (ongoing, long term). Acute hematuria can occur just once,
or it can occur many times.
may miss bladder tumors.
tomography (CT scan) and magnetic resonance imaging (MRI) are imaging
methods that create cross-sectional pictures of the internal organs.
Both methods rely upon computer analysis.
or MRIs of the pelvis and bladder are used by physicians to assess
large (greater than 5 cm) bulky tumors, lymphatic involvement, and
the response of tumors to radiation or chemotherapy.
method can distinguish between surface bladder tumors and those that
invade deep muscle tissue. CT scans may be difficult to interpret
in patients who have had urethral surgery or radiation therapy.
CT scans and MRIs cannot diagnose microscopic metastatic disease;
for example, they only depict cancerous lymph nodes that are 1 cm
or larger in size. However, MRIs, in contrast to CT scans, are able
to distinguish blood vessels from lymph nodes.
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