malignant mimic

A generic term for a non-malignant lesion with an aggressive, malignant appearance.
Endoscopy
Endoscopic lesions mimicking malignancy include “ragged”, well-circumscribed ulcers that histologically appear in an amorphous eosinophilic background, with sheets of closely packed acini, cells with swollen granular cytoplasm, variably-sized, often hyperchromatic nuclei, mitotic activity and a lesion that fades into benign regenerative mucosa.
Other endoscopic malignant mimics seen in the oesophagus, stomach and rectum consist of fibrinopurulent exudate, which covers aggregates of bizarre cells with variable amounts of granular cytoplasm, hyperchromatic pleomorphic nuclei.
Pathology
A lesion that grossly or microscopically mimics malignancy, which may be induced by inflammation, radiation therapy, chemotherapy, and evoke cytologic features of malignant lesions.

单词	malignant mimic
释义	malignant mimic malignant mimic A generic term for a non-malignant lesion with an aggressive, malignant appearance. Endoscopy Endoscopic lesions mimicking malignancy include “ragged”, well-circumscribed ulcers that histologically appear in an amorphous eosinophilic background, with sheets of closely packed acini, cells with swollen granular cytoplasm, variably-sized, often hyperchromatic nuclei, mitotic activity and a lesion that fades into benign regenerative mucosa. Other endoscopic malignant mimics seen in the oesophagus, stomach and rectum consist of fibrinopurulent exudate, which covers aggregates of bizarre cells with variable amounts of granular cytoplasm, hyperchromatic pleomorphic nuclei. Pathology A lesion that grossly or microscopically mimics malignancy, which may be induced by inflammation, radiation therapy, chemotherapy, and evoke cytologic features of malignant lesions.
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