Searchable abstracts of presentations at key conferences in endocrinology

ea0090p776 | Thyroid | ECE2023

Atezolizumab A PDL-1 Inhibitor Induced Severe Hypothyroidism Related Rhabdomyolysis

Abul Rabia , Erol Selvinaz , Cil Sen Esra , Yener Ozturk Feyza , Canat M. Masum , Kostek Hatice , Kuver Begum , Doğan İpek Fatma , Altuntas Yuksel

Introduction: Recently, Programmed cell death ligand 1 (PD-L1) inhibitors have been frequently used as promising treatment options for some advanced malignancies. Although immune-related side effects secondary to PD-1 inhibitor treatment are well defined in the literature, data on PD-L1 inhibitors are limited. Thyroid dysfunction was reported in 10% of patients in the clinical study of atezolizumab. We aimed to present a case of severe hypothyroidism-related rhabdomyolysis and...

ea0090p250 | Thyroid | ECE2023

Coexistence of Atypic Parathyroid Tumor and Metastatic Thyroid Papillary Carcinoma

Kostek Hatice , Yener Ozturk Feyza , Kuver Begum , Abul Rabia , Doğan İpek Fatma , Canat M. Masum , Erol Selvinaz , Cil Sen Esra , Kostek Mehmet , Taner Unlu Mehmet , Cihangiroglu Gulcin , Ozel Alper , Altuntas Yuksel

Introduction: Atypical parathyroid tumour (APT) is a rare cause of primary hyperparathyroidism (PHPT) with a frequency of 1.2-1.3%. APT is a lesion with suspicious clinical and histological features of malignancy which does not completely respect the World Health Organization (WHO) criteria for diagnosis of Parathyroid Carcinoma (PC). There is a well-known association with PHT and medullary thyroid carcinoma for multiple endocrine neoplasia. However, concurrence of thyroid pap...