Journal of Clinical Medicine (Sep 2023)

Parathyroid Retrospective Analysis of Neoplasms Incidence (pTRANI Study): An Italian Multicenter Study on Parathyroid Carcinoma and Atypical Parathyroid Tumour

  • Angela Gurrado,
  • Alessandro Pasculli,
  • Nicola Avenia,
  • Rocco Bellantone,
  • Marco Boniardi,
  • Isabella Merante Boschin,
  • Pietro Giorgio Calò,
  • Michele Camandona,
  • Giuseppe Cavallaro,
  • Fabio Cianchi,
  • Giovanni Conzo,
  • Vito D’Andrea,
  • Carmela De Crea,
  • Loredana De Pasquale,
  • Paolo Del Rio,
  • Giovanna Di Meo,
  • Gianlorenzo Dionigi,
  • Chiara Dobrinja,
  • Giovanni Docimo,
  • Fausto Famà,
  • Attilio Galimberti,
  • Laura Giacomelli,
  • Giuseppa Graceffa,
  • Maurizio Iacobone,
  • Nadia Innaro,
  • Celestino Pio Lombardi,
  • Gabriele Materazzi,
  • Fabio Medas,
  • Barbara Mullineris,
  • Luigi Oragano,
  • Nicola Palestini,
  • Giuliano Perigli,
  • Angela Pezzolla,
  • Francesco Paolo Prete,
  • Marco Raffaelli,
  • Giuseppina Renzulli,
  • Lodovico Rosato,
  • Gregorio Scerrino,
  • Lucia Ilaria Sgaramella,
  • Salvatore Sorrenti,
  • Carlotta Testini,
  • Massimiliano Veroux,
  • Guido Gasparri,
  • Mario Testini,
  • pTRANI Study Group

DOI
https://doi.org/10.3390/jcm12196297
Journal volume & issue
Vol. 12, no. 19
p. 6297

Abstract

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Background: Parathyroid cancer (PC) is a rare sporadic or hereditary malignancy whose histologic features were redefined with the 2022 WHO classification. A total of 24 Italian institutions designed this multicenter study to specify PC incidence, describe its clinical, functional, and imaging characteristics and improve its differentiation from the atypical parathyroid tumour (APT). Methods: All relevant information was collected about PC and APT patients treated between 2009 and 2021. Results: Among 8361 parathyroidectomies, 351 patients (mean age 59.0 ± 14.5; F = 210, 59.8%) were divided into the APT (n = 226, 2.8%) and PC group (n = 125, 1.5%). PC showed significantly higher rates (p 3 cm (30.9% vs. 19.3%, p = 0.049) was significantly more common in the PC. A significantly higher frequency of local recurrences was observed in the PC (8.0% vs. 2.7%, p = 0.022). Mortality due to consequences of cancer or uncontrolled hyperparathyroidism was 3.3%. Conclusions: Symptomatic hyperparathyroidism, high PTH and albumin-corrected serum calcium values, and a US diameter >3 cm may be considered features differentiating PC from APT. 2022 WHO criteria did not impact the diagnosis.

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