Pituitary Gland Carcinoma

P=N/A, N=22, Recruiting, National Institute of Neurological Disorders and Stroke (NINDS) | Not yet recruiting --> Recruiting

P=N/A, N=22, Not yet recruiting, National Institute of Neurological Disorders and Stroke (NINDS) | Trial completion date: Apr 2026 --> Feb 2028 | Trial primary completion date: Apr 2026 --> Feb 2028

P=N/A, N=500, Active, not recruiting, Beijing Tiantan Hospital

The clinical manifestations of intrasellar RDD are insidious and lack specificity, making it easy to confuse with common pituitary space-occupying lesions. Currently, surgical resection remains the gold standard for definitive diagnosis and is the primary therapeutic intervention, long-term follow-up is crucial for monitoring recurrence.

These findings suggest that C. sinensis infection promotes HCC malignancy and stemness via ESP-induced PTTG1 expression, potentially through Wnt/β-catenin signaling and its downstream targets, including c-MYC and CD44, particularly in the context of the specific carcinogen-driven models used in this study. Further exploration of the PTTG1 pathway may offer insights into potential therapeutic strategies for C. sinensis-associated HCC.

Additionally, the observed relationship between p53 expression and tumor proliferation highlights its potential role in PA tumorigenesis. Further studies are needed to confirm these associations and clarify the underlying molecular mechanisms.

Although the lesion lacks histopathologic confirmation and a sporadic occurrence cannot be excluded, this observation raises the possibility that germline DNMT3A alterations may predispose to a broader range of tumors than previously recognized. This report underscores the need for continued documentation of unusual tumor presentations in TBRS to further elucidate the biology of DNMT3A-related tumorigenesis.

This case underscores the importance of considering MEN1 even in elderly patients with atypical manifestations, emphasizes the value of integrating prior medical history into diagnosis, and suggests a potential role of rs2959656 in MEN1 pathogenesis.

In this study, we demonstrated that thyroid cancer is the most common malignancy in Turkish acromegalic patients, consistent with the results of previous studies. The increased cancer risk in acromegalic patients did not correlate with age, sex, age at diagnosis, time to diagnosing acromegaly, duration of acromegaly, or GH and IGF-1 levels at diagnosis.

Although the signature demonstrated promising diagnostic potential, its transcriptional repression is unlikely to be primarily explained by DNA methylation. These findings provide candidate markers and mechanistic hypotheses for understanding invasive NFPA and developing risk-stratification tools.

Moreover, pharmacological inhibition of CDK8 markedly suppressed PA cell proliferation and viability in GH3 and MMQ cell lines, primary human PA cells, and murine xenograft models. These findings revealed a novel regulatory mechanism of PA stemness and provided a promising therapeutic target for PA.

CGRP was found to be notably present in somatotropin-producing adenoma tissues, yet it was entirely absent from non-functioning adenoma tissues. The detection of CGRP within adenoma tissue could correlate with an increased incidence of persistent headaches and diminished postoperative remission probabilities in acromegaly.