Volume 29, Issue 161, July 2025

Multifactorial thrombocytosis directing the diagnostic process - extreme thrombocytosis unveiling pheochromocytoma: case report

Michał Kluska^1♦, Anna Bieda², Arkadiusz Zaremba³, Maciej Wyskok⁴, Karolina Stachyra⁵, Julia Beata Krasnodębska⁶, Mateusz Leśniewski⁶, Marta Borecka⁷, Karolina Hanusz⁷, Przemysław Kwiatka⁷, Sylwester Stawowski⁸

¹Samodzielny Publiczny Szpital Kliniczny im. prof. W. Orłowskiego CMKP, Czerniakowska 31, 00-416 Warsaw, Poland
²Masovian Bródnowski Hospital, Warsaw, Poland
³Scanmed Rudolf Weigl Hospital in Blachownia, Blachownia, Poland
⁴Academy of Silesia, Rolna 43, 40-555 Katowice, Poland
⁵1st Department of Obstetrics and Gynecology, Medical University of Warsaw, Poland
⁶Czerniakowski Hospital, Stępińska 19/25, 00-739 Warsaw, Poland
⁷National Medical Institute of the Ministry of the Interior and Administration, Warsaw, Poland
⁸Uniwersytecki Szpital Kliniczny w Białymstoku, M. Skłodowskiej- Curie 24A 15-276 Białystok, Poland

^♦Corresponding author
Michał Kluska; Samodzielny Publiczny Szpital Kliniczny im. prof. W. Orłowskiego CMKP, Czerniakowska 231, 00-416 Warsaw, Poland

ABSTRACT

Thrombocytosis is a common incidental finding observed in both symptomatic and asymptomatic patients. It can pose a significant diagnostic challenge. Reaching an accurate diagnosis is crucial, as treatment strategies differ considerably. Moreover, it may uncover severe underlying condition. In this report, we describe a clinical case of a patient with extreme thrombocytosis, that ultimately reveled an underlying pheochromocytoma.

Keywords: thrombocytosis, pheochromocytoma, adrenal incidentaloma

Medical Science, 2025, 29, e112ms3617

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DOI: https://doi.org/10.54905/disssi.v29i161.e112ms3617

Published: 25 July 2025