Guangzhou First Peoples Hospital Guangzhou

Guangzhou First Peoples Hospital Guangzhou

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PubMed | Southern Medical University, Guangzhou First Peoples Hospital Guangzhou and Sun Yat Sen University
Type: Journal Article | Journal: International journal of clinical and experimental pathology | Year: 2015

To summarize the clinicopathological features, therapeutic regimens and outcomes for the patients with undifferentiated embryonal sarcoma of the liver (UESL), 9 cases of UESL were retrospectively reviewed. Complete clinical history, lab studies, imaging examinations and pathological findings were collected for analysis. Overall survival and progression free survival were assessed by Kaplan-Meier Survival Analysis. The patients were 6 to 37 years old, and included 6 males and 3 females. The tumor size ranged from 5 to 26 cm. Pathologically, the tumors consisted of proliferations of medium sized spindle, oval or stellate shaped pleomorphic cells loosely or compactly arranged in an edematous or myxoid matrix, with scattered bizarre multinucleated giant cells. All of the 9 cases were treated with radical resections, 6 of 9 cases received chemothrepy for postoperative treatment. All follow-up data were available, 4 of 9 cases had recurrence, and 2 patients were died. Time to recurrence in these cases was 19, 4, 29, 14 months. The mean overall survival (OS) was 58.25 9.1 months and the mean progression-free survival (PFS) was 39.55 11.6 months. UESL is a potential treatable malignance when treated with combined multiagent chemotherapy after resection.


PubMed | Guangzhou University, CAS Institute of Psychology, University of Chinese Academy of Sciences, Guangzhou First Peoples Hospital Guangzhou and 2 more.
Type: | Journal: Frontiers in behavioral neuroscience | Year: 2015

Impairment in empathy has been demonstrated in patients with schizophrenia and individuals with psychosis proneness. In the present study, we examined the neural correlates underlying theory of mind (ToM) and empathy and the relationships between these two social cognitive abilities with schizotypy. Fifty-six first-year college students (31 males, 25 females) between 17 and 21 years of age (M = 19.3, SD = 0.9) from a medical university in China participated. All participants undertook a comic strips functional imaging task that specifically examined both empathy and ToM. In addition, they completed two self-report scales: the Chapman Psychosis Proneness scale and the Interpersonal Responsivity Index (IRI). Results showed that both empathy and ToM conditions of the task were associated with brain activity in the middle temporal gyrus, the temporo-parietal junction (TPJ), the precuneus and the posterior cingulate gyrus. In addition, we found positive correlations between negative schizotypy and brain activity in regions involved in social cognition, namely, the middle temporal gyrus, the TPJ, as well as the medial prefrontal gyrus. These findings highlight that different dimensions of schizotypy may show different associations with brain regions involved in social cognitive abilities. More importantly, the positive correlation between brain activity and anhedonia suggests the presence of compensatory mechanisms in high-risk populations.

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