SPON1 and adrenal gland pheochromocytoma: In support of this, a proteomic study in PCC patients hospitalised for acute COVID‐19 found plasma signatures suggestive of neuroinflammation (C1QA and DPP10) and dysfunctional nerve tissue repair (SPON‐1 and NFASC) in a subset of PCC patients with cognitive symptoms [45].