Parapharyngeal lymph node as an isolated manifestation of follicular dendritic cell sarcoma: First report in Iran.

Follicular dendritic cell sarcoma (FDCS) is a rare type of sarcoma that originates from the stromal component of the germinal center of the B-follicle. Its presentation and prognosis vary, as it can be nodal or extranodal, localized or multifocal, and can be fatal in 20% of cases. Due to its rarity, FDCS diagnosis requires a high level of suspicion.

The prevalence of depression, anxiety, stress, and related factors among COVID-19 patients in Kurdistan Province, Iran (2020).

The emergence of mental health problems during a pandemic is a major concern of healthcare systems. This cross-sectional, analytical study was performed on 1072 patients with COVID-19 disease without pre-existing mental disorders in Kurdistan Province in 2020 to obtain the frequency of depression, anxiety, and stress using a valid, standard electronic depression, anxiety, and stress scale-21 questionnaire. Data analyses were conducted in SPSS Version 23 using logistic regression modeling.

PREX2 gene's expression in gastric antral epithelial cells of patients with H. pylori infection.

Background: The Prex2 protein is a member of the Rac family proteins that belongs to small G proteins with a critical role in cell migration, cell proliferation, and apoptosis through its effects on PI3K cell signaling pathway and phosphatase activity of PTEN protein. The effect of PREX2 gene expression has been shown in some cancer cells. A survey of PREX2 gene expression in gastric antral epithelial cells of gastric cancer patients with Helicobacter pylori various genotypes infection can conduct to better understanding H.

Rare Presentation of Self-Limiting Kikuchi-Fujimoto Disease in Relapsing Nature.

Background: Kikuchi-Fujimoto disease (KFD) is a rare, benign, and self-limiting disease that is commonly associated with cervical lymphadenopathy and fever. The disease has a wide spectrum of clinical manifestations, and definitive diagnosis is based on the histological appearance in the excision biopsy of the lymph nodes. Recurrence of KFD is reported rarely.

Effective Medicinal Plant in Cancer Treatment, Part 2: Review Study.

Cancer is the second cause of death after cardiovascular diseases. With due attention to rapid progress in the phytochemical study of plants, they are becoming popular because of their anticancer effects. The aim of this study was to investigate the effective medicinal plants in the treatment of cancer and study their mechanism of action.