How to test for pheochromocytoma?

Written by Li Pei

Neurosurgery

Updated on September 13, 2024

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Pheochromocytoma is a tumor that occurs in the adrenal gland. The tumor secretes a large amount of catecholamines, causing an increase in blood pressure. Diagnostic tests for pheochromocytoma can include a CT scan and MRI of the adrenal glands to confirm the presence of any adrenal mass. Additionally, ultrasound can also be used as an auxiliary test to help confirm the diagnosis. It is also advisable to check the levels of catecholamines in the blood and urine to further confirm the presence of an adrenal pheochromocytoma.

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Written by Chen Yu Fei

Neurosurgery

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How is pheochromocytoma diagnosed?

For the examination of pheochromocytoma, it is generally recommended to use qualitative or localization diagnostic methods. Qualitative examinations typically involve collecting metabolites of catecholamines from urine and blood to further facilitate a definitive diagnosis. Localization examinations are conducted through abdominal ultrasound, CT, or MRI to further identify the specific growth location of the pheochromocytoma. After a definitive diagnosis through qualitative and localization examinations, surgery is generally recommended to effectively remove the pheochromocytoma. Additionally, antihypertensive medication can be used to help control symptoms.

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Written by Chen Yu Fei

Neurosurgery

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Can a pheochromocytoma be treated without surgery?

For pheochromocytoma, it is still best to receive surgical treatment. Conservative treatment through medication alone has limited effects. In most cases, gradually increasing blood pressure leads to serious symptoms or signs in the patient, such as palpitations, shortness of breath, labored breathing, chest pain, accompanied by profuse sweating, and even severe panic and feelings of impending doom, posing serious life-threatening risks to the patient. In terms of treatment, it is advised to prioritize surgical removal of the tumor, as this can fundamentally lead to a complete cure. Additionally, appropriate medication can be used before and after the surgery to assist in treatment.

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Endocrinology

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What size of pheochromocytoma is malignant?

The size of pheochromocytomas and the benign or malignant nature of the tumor are not greatly related. Usually, most are familial pheochromocytomas, which are most commonly bilateral, but they have a relatively high recurrence rate and are difficult to treat with fewer available treatment options. Once a pheochromocytoma is detected, it should be taken seriously and treated promptly. The presence of a tumor often indicates that it has developed to the mid and late stages, where it becomes relatively difficult to cure. Regardless of whether the tumor is large or small, it must be taken seriously and treated with care, otherwise, it may easily worsen and affect health.

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Written by Chen Yu Fei

Neurosurgery

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Pheochromocytoma blood pressure how much

For patients with pheochromocytoma, they often present with a hypermetabolic state, elevated blood pressure, even reaching above 200 mmHg, along with significant hypertension and hyperglycemia. Patients may experience headaches, dizziness, nausea, vomiting, profuse sweating, and even chest pain and labored breathing. When such symptoms occur, it is important to promptly take the patient to a local hospital for medical attention. Appropriate tests should be conducted to help confirm the diagnosis and determine the specific location of the pheochromocytoma. Treatment typically involves surgical intervention, but it is essential to manage blood pressure with appropriate antihypertensive drugs before, during, and after treatment.

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Written by Chen Yu Fei

Neurosurgery

44sec

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How is pheochromocytoma diagnosed?

For patients with pheochromocytoma, comprehensive examinations are necessary for diagnosis. For instance, measuring catecholamines and their metabolites in blood or urine can help determine if there is a noticeable increase in catecholamine levels. Furthermore, adrenal CT scans can be used to assess the condition, where in many cases, significant occupying lesions can be detected through adrenal CT scans. In addition, other related tests also hold diagnostic value and significance, such as magnetic resonance imaging, ultrasound, and related nuclear scanning tests, which can assist in qualitative and locational diagnosis.