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Topic Review
Fecal Microbiota Transplantation in the Management of Cancer
In a mutually beneficial connection with its host, the gut microbiota affects the host’s nutrition, immunity, and metabolism. An increasing number of studies have shown links between certain types of disease and gut dysbiosis or specific microorganisms. Fecal microbiota transplantation (FMT) is strongly advised for the treatment of recurrent or resistant Clostridium difficile infection (CDI) due to its outstanding clinical effectiveness against CDI. The therapeutic potential of FMT for other disorders, particularly inflammatory bowel diseases and malignancies, is currently gaining more and more attention. 
  • 508
  • 30 May 2023
Topic Review
Invasive Mucormycosis in Patients with Hematological Malignancies
The incidence rate of invasive mucormycosis (IM) in patients with hematological malignancies (HMs) is increasing year by year, ranging from 0.07% to 4.29%, and the mortality rate is mostly higher than 50%. With the ongoing pandemic of COVID-19, COVID-19-associated mucormycosis (CAM) also became a global health threat.
  • 246
  • 30 May 2023
Topic Review
Gender and Neurosteroids
Neurosteroids are synthesized de novo in the nervous system; they mainly moderate neuronal excitability, and reach target cells via the extracellular pathway. The synthesis of neurosteroids occurs in peripheral tissues such as gonads tissues, liver, and skin; then, because of their high lipophilia, they cross the blood–brain barrier and are stored in the brain structure. Neurosteroidogenesis occurs in brain regions such as the cortex, hippocampus, and amygdala by enzymes necessary for the in situ synthesis of progesterone from cholesterol. Neurosteroids could be considered the main players in both sexual steroid-induced hippocampal synaptic plasticity and normal transmission in the hippocampus.
  • 264
  • 30 May 2023
Topic Review
Liver Transplantation for Perihilar Cholangiocarcinoma
Cholangiocarcinoma (CCA) encompasses all malignant neoplasms arising from the epithelial cells of the biliary tree. About 40% of CCAs are perihilar, involving the bile ducts distal to the second-order biliary branches and proximal to the cystic duct implant. About two-thirds of pCCAs are considered unresectable at the time of diagnosis or exploration. When resective surgery is deemed unfeasible, liver transplantation (LT) could be an effective alternative. The overall survival rates after LT at 1 and 3 years are 91% and 81%, respectively. The overall five-year survival rate after transplantation is 73% (79% for patients with underlying PSC and 63% for de novo pCCA). Multicenter case series reported a 5-year disease-free survival rate of ~65%.
  • 431
  • 30 May 2023
Topic Review
Roles of Extracellular Vesicles in RCC Progression
Renal cell carcinoma (RCC) is the most common type of kidney cancer and is thought to originate from renal tubular epithelial cells. Extracellular vesicles (EVs) are nanosized lipid bilayer vesicles that are secreted into extracellular spaces by nearly all cell types, including cancer cells and non-cancerous cells. EVs are involved in multiple steps of RCC progression, such as local invasion, host immune modulation, drug resistance, and metastasis. 
  • 265
  • 30 May 2023
Topic Review
Hearing Rehabilitation in Vestibular Schwannoma
The most common complaint among patients with vestibular schwannoma (VS) is hearing loss. This significantly affects the quality of life before, during, and after treatment for patients with VS. Untreated hearing loss in VS patients may even lead to depression and feelings of social isolation. A variety of devices are available for hearing rehabilitation for patients with vestibular schwannoma. 
  • 319
  • 30 May 2023
Topic Review
Basic Signs and Complete Lung Ultrasound Examination
Lung ultrasound (LUS) has become a part of the daily examination of physicians working in intensive, sub-intensive, and general medical wards. The easy access to hand-held ultrasound machines in wards where they were not available in the past facilitated the widespread use of ultrasound, both for clinical examination and as a guide to procedures. The integration of bedside ultrasonography in the daily clinical activity of intensivists could reduce the risk of radiation exposure, need of patient transport, and hospital costs and may redirect patient’s management. A qualitative LUS approach is based on interpreting artifacts (A- and B-lines) and real images to distinguish between normal and pathological context. If a qualitative approach gives important information on the morphological assessment of the lung for the diagnosis, a quantitative approach allows us to extend the utility of the examination to lung monitoring.
  • 347
  • 30 May 2023
Topic Review
5-Aminolevulinic Acid Photodynamic Therapy in Cancer Treatment
5-aminolevulinic acid-photodynamic therapy (5-ALA-PDT) is a therapeutic option for a variety of cutaneous and internal malignancies. PDT uses a photosensitizer that, activated by light in the presence of molecule oxygen, forms ROS, which are responsible for the apoptotic activity of the malignant tissues. 5-ALA is usually used as an endogenous pro-photosensitizer because it is converted to Protoporphyrin IX (PpIX), which enters into the process of heme synthesis and contextually becomes a photosensitizer, radiating a red fluorescent light. PDT has the benefit of being administered before or after chemotherapy, radiation, or surgery, without impairing the efficacy of these treatment techniques. Furthermore, sensitivity to PDT is unaffected by the negative effects of chemotherapy or radiation. 
  • 553
  • 30 May 2023
Topic Review
Application of Probiotics for Acne Vulgaris Topical Therapies
The skin microbiome is an essential barrier for preventing the invasion of pathogens and regulating the immune responses. When this barrier is disrupted, several dermatoses, including acne vulgaris, may arise. Probiotics have proven to be an alternative to the use of antibiotics, often associated with undesirable effects, in the treatment and prevention of dermatological disorders such as acne. 
  • 350
  • 30 May 2023
Topic Review
Treatment of Obstructive Hypertrophic Cardiomyopathy
Left ventricular outflow obstruction (LVOTO) and diastolic dysfunction are the main pathophysiological characteristics of hypertrophic cardiomyopathy (HCM)LVOTO, may be identified in more than half of HCM patients and represents an important determinant of symptoms and a predictor of worse prognosis.  Treatment of LVOTO is indicated in patients with lifestyle-limiting symptoms only. Negative inotropic and chronotropic medications are indicated as the first-line therapy. If patients remain symptomatic, or remain in the presence of side effects, surgery is suggested only when performed in experienced centers.
  • 282
  • 30 May 2023
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