ArticleJournal of endocrinological investigation2025
Intracystic catecholamine variations in cystic pheochromocytoma.
Article in Journal of endocrinological investigation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed, 1 synthesis or guideline pooled it.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
14 authors.
Funding
Abstract
purposeApproximately 20% of pheochromocytomas are cystic in nature. However, research on the correlation between catecholamine and metanephrine fractions in cystic fluid and peripheral blood is limited. This study investigated the relationship between catecholamine fractions and their metabolites in peripheral blood and cystic fluid.
methodsFive patients with pathologically diagnosed cystic pheochromocytomas were included in the analysis. Catecholamine fractions and their metabolites in the cystic fluid were measured. The relationship between phenylethanolamine N-methyltransferase (PNMT) expression in tumor tissues and catecholamine fractions of cystic fluid was also assessed.
resultsThe elevated patterns of catecholamine and metanephrine fractions in the cystic fluid were consistent with those observed in the peripheral blood of two patients. However, in two other patients. discordance was observed, with normetanephrine predominance in the peripheral blood despite adrenaline/metanephrine and noradrenaline/normetanephrine elevations in the cystic fluid. Immunohistochemical analysis revealed that PNMT expression in tumor tissues and the elevated pattern of catecholamine fractions in the peripheral blood were consistent in all patients, except for one patient with non-elevated peripheral blood catecholamines. However, in cystic fluid, the predominantly catecholamine fraction did not consistently align with PNMT expression.
conclusionIn cystic pheochromocytoma, the elevation patterns of catecholamine fractions in cysts may not align with those in the peripheral blood and may differ relative to PNMT expression in tumor tissues.
Indexed as
Identifiers
40238076What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.