Sustentacular cells are often found in pulmonary neuroendocrine tumours, especially better-differentiated lesions with a well-developed architecture. their prevalence clearly reflecting the degree of structural organization. Whether their prevalence is a useful prognostic indicator within a particular group of such tumours, such as the atypical carcinoids or the large cell carcinomas, as appears to be the case with paragangliomas, is unclear.
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