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单词 phaeochromocytoma
释义

Definition of phaeochromocytoma in English:

phaeochromocytoma

noun ˌfiːə(ʊ)ˌkrəʊmə(ʊ)sʌɪˈtəʊmə
Medicine

  • A small vascular tumour of the adrenal medulla, causing irregular secretion of adrenalin and noradrenaline leading to attacks of raised blood pressure, palpitations, and headache.

    Example sentencesExamples
    • He improved the way in which patients with phaeochromocytoma were prepared for surgery by characterising the way in which these tumours released their hormones.
    • Histology, however, showed a large adenoma of the adrenal cortex; a phaeochromocytoma could not be detected.
    • To exclude the possibility of phaeochromocytoma, case 1 underwent computed tomography and cases 3 and 4 underwent isotopic imaging.
    • Increased metabolic rate is rarely the main cause, except with an overactive thyroid or phaeochromocytoma, a rare tumour which produces excess adrenaline to stimulate our brown adipose tissue.
    • Phaeochromocytomas are rare, can be managed with minimal morbidity if recognized early.

Origin

1920s: from phaeochrome (another term for chromaffin), from Greek phaios ‘dusky’ + khrōma ‘colour’, + -cyte.
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更新时间：2025/1/14 14:32:44