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A Japanese version of the short form of the expanded Posttraumatic Growth Inventory (PTGI-X-SF-J) was developed in this study, as the extended version captures broader, more diverse personal growth perspectives, such as existential spiritual growth. We collected cross-sectional data from 408 (first sample) and 284 (second sample) Japanese university students using the expanded version of the Posttraumatic Growth Inventory (PTGI-X-J). Exploratory factor analysis (EFA) was performed with the first sample and confirmatory factor analysis (CFA) with the second; reliability and validity were examined. The short-form version resulting from the EFA and CFA comprised 10 items and five factors. Cronbach’s alpha for the PTGI-X-SF-J total and subscale scores ranged from 0.671 to 0.875. The intraclass correlation coefficient for the total and subscale scores between the PTGI-X-J and PTGI-X-SF-J ranged from 0.699 to 0.821. Regarding external validity, no significant correlation was found between posttraumatic growth and posttraumatic stress disorder checklists. Due to its brevity, the PTGI-X-SF-J can help assess diverse spiritual and existential personal growth experiences among clients, patients, and trauma survivors while reducing physical and psychological burdens.

    Purpose This study aimed to clarify the characteristics of post-traumatic growth (PTG) among adolescents having mothers diagnosed with breast cancer and the relationship between PTG and cancer-related communication with breast cancer survivors. Methods A cross-sectional study was conducted using anonymous self-report questionnaires with breast cancer survivors and adolescent children. PTG in adolescents was measured using the Japanese version of the revised PTG Inventory for Children (PTGI-C-R-J). Furthermore, hierarchical multiple regression analysis was implemented. To evaluate the impact of cancer-related communication on each subscale, the total score of cancer-related communication was switched with other subscales individually within the constructed model. Results A total of 97 breast cancer survivors and their adolescent children were included. The mean scores of the total PTGI-C-R-J and subscale scores for “personal strength,” “new possibilities,” “relating to others,” “appreciation of life,” and “spiritual change” were 9.0, 1.7, 1.8, 2.3, 2.4, and 0.9, respectively. The connection between PTG and cancer-related communication was partially clarified. The PTGI-C-R-J score was higher when adolescents shared more information regarding breast cancer with their mothers and lower when adolescents expressed more negative feelings toward their mothers. Communication regarding relationships with mothers was not correlated with PTG. Conclusions Of all PTG domains, “relating to others” and “appreciation of life” were comparatively higher in adolescents. Health professionals should support breast cancer survivors to ensure that they convey appropriate information regarding their treatment plans and side effects to their adolescent children. Health professionals should help adolescent children express their negative feelings calmly and clearly.

Adrenal-region masses during the perinatal period are uncommon and may include neuroblastoma and teratoma. These two entities often show overlapping features on initial imaging. Differentiation is challenging because teratomas may initially lack visible fat or coarse calcification, whereas congenital neuroblastoma may present with normal catecholamine levels and no abnormal I-MIBG uptake. In the present patient, a rapidly enlarging right suprarenal mass was identified during late gestation. The mass was initially interpreted as neuroblastoma based on its cystic-solid appearance and nonspecific biochemical findings. After birth, the mass continued to grow, and the initial postnatal evaluation was inconclusive, showing no abnormal MIBG uptake and normal catecholamine metabolites. However, serial imaging revealed time-dependent changes, including new calcification, emerging fatty components, and progressive enlargement, prompting reconsideration of the initial diagnosis. Complete resection confirmed an immature retroperitoneal teratoma without adrenal involvement. These observations illustrate that a retroperitoneal teratoma can closely mimic an adrenal neuroblastoma during the perinatal period, particularly during the fetal and early neonatal periods, when fat or calcification is not yet apparent. Time-dependent radiologic evolution is therefore a key diagnostic clue, and continuous fetal-to-neonatal imaging follow-up plays a crucial role in accurately distinguishing these tumors.