Increasing Annual Cancer Incidence in Patients Age 20-49 Years: A Real-Data Study.

PURPOSE: Data from population-based studies have shown an increased incidence of certain types of neoplasms in patients younger than 50 years (early-onset cancer [EOC]); however, little information is derived from other real-world data sources. In a nonpopulation registry, we analyzed changes in the incidence of several neoplasms in successive generations. METHODS: This cross-sectional study included all patients with a cancer diagnosis registered in one university hospital in Málaga, Spain, between 1998 and 2021, and 18 neoplasms were analyzed. For each neoplasm, the proportion of patients younger than 50 years and age 50 years and older (late-onset cancer [LOC]) of the total number of patients diagnosed each year was determined. In addition, the age limit was lowered to 45-40 years. Changes in these proportions between each year and the following year were assessed by calculating the annual percentage change (APC), and a final assessment of these changes was performed by determining the average APC (AAPC). RESULTS: Of the 24,596 patients, 5,466 (22.2%) had EOC, and 19,130 (77.8%) had LOC. The incidence of all tumors increased throughout the study period in both age groups. The AAPC increase was higher in patients with EOC than in those with LOC for the following neoplasms: head and neck (6.1% v 4.6%), colon (11.0% v 8.2%), testicular (16.3% v -13.1%), non-Hodgkin lymphoma (8.4% v 5.9%), rectum (16.1% v 6.8%), kidney (27.8% v 20.1%), and sarcoma (43.4% v 28.6%). This increase was confirmed in patients younger than 45 years and 40 years. CONCLUSION: Our results are consistent with the data published for most tumor sites analyzed. This global public health problem requires the utmost attention to decrease excess cancer in young patients.

Spin Alignment of Vector Mesons in Heavy-Ion Collisions.

Polarized quarks and antiquarks in high-energy heavy-ion collisions can lead to the spin alignment of vector mesons formed by quark coalescence. Using the relativistic spin Boltzmann equation for vector mesons derived from Kadanoff-Baym equations with an effective quark-meson model for strong interaction and quark coalescence model for hadronizaton, we calculate the spin density matrix element ρ_{00} for ϕ mesons and show that anisotropies of local field correlations with respect to the spin quantization direction lead to ϕ meson's spin alignment. We propose that the local correlation or fluctuation of ϕ fields is the dominant mechanism for the observed ϕ meson's spin alignment and its strength can be extracted from experimental data as functions of collision energies. The calculated transverse momentum dependence of ρ_{00} agrees with STAR's data. We further predict the azimuthal angle dependence of ρ_{00} which can be tested in future experiments.

Risk Prediction Tools Available for Germline BRCA1/2 Mutations Underperform in Prostate Cancer Patients.

Early identification of germline BRCA1/2 mutations may be relevant for the management of patients with prostate cancer (PC) and to prevent future breast and ovarian cancers in their relatives. Several prediction tools have been developed to estimate the likelihood of a germline BRCA1/2 mutation and are widely used to optimize screening in breast and ovarian cancer patients. We aimed to elucidate the proportion of PC patients with known BRCA1/2 mutations who would have qualified for testing using two risk calculation models (BRCAPRO and the Manchester scoring system [MSS]). We analyzed 106 families with known BRCA1/BRCA2 mutations, including 23 with PC cases. Only 30% and 48% of PC patients who were known BRCA1/BRCA2 mutations carriers would have qualified for testing using BRCAPRO and MSS, respectively. A median of two breast and/or ovarian cancer cases per family had occurred between the first PC identified in a carrier and the cancer case leading to germline testing. PATIENT SUMMARY: We tested two models developed to predict the probability of inherited BRCA1/BRCA2 mutations and found that these tools underperform in men with prostate cancer and should not be used to optimize testing in this population.

Estudio de pacientes menores de 5 años con EDA en la Habana / Study of patients under 5 with ADD in Havana

Se estudia una muestra de niños menores de 5 años ingresados en los hospitales de La Habana por EDA y que no recibieron tratamientos específicos. Se investiga Salmonella, Shigella, Escherichia coli enteropatógenas, asícomo la presencia de algunos parásitos (Ameba histolytica, Trichuris, Giardia lambia, Taenia saginata y además la presencia de Rotavirus). Se ofrecen resultados y recomendaciones

Estudio de pacientes menores de 5 años con EDA en la Habana / Study of patients under 5 with ADD in Havana

Se estudia una muestra de niños menores de 5 años ingresados en los hospitales de La Habana por EDA y que no recibieron tratamientos específicos. Se investiga Salmonella, Shigella, Escherichia coli enteropatógenas, asícomo la presencia de algunos parásitos (Ameba histolytica, Trichuris, Giardia lambia, Taenia saginata y además la presencia de Rotavirus). Se ofrecen resultados y recomendaciones