Research Keyword: histopathological examination

Quercetin hybrid-hydrogel microparticles modulate gut microbiota and improve memory in an antibiotic-induced dysbiosis rat model

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A natural quercetin supplement formulated with fenugreek fiber was tested on rats with antibiotic-damaged gut bacteria. The supplement successfully restored healthy gut bacteria diversity, reduced gut inflammation, and improved memory performance. These benefits likely work through the gut-brain connection, where healthy bacteria produce beneficial chemicals that support brain function and reduce inflammation.

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Disseminated Lichtheimia ramosa infection in a Japanese Black calf

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A young cow developed a severe fungal infection caused by Lichtheimia ramosa, a rare type of mold. The infection spread throughout the cow’s body, affecting the liver and digestive system. The cow had an underdeveloped immune system (thymus hypoplasia) and was given multiple antibiotics for weeks, which actually made the fungal infection worse by killing normal protective bacteria. Despite various treatments, the cow’s condition worsened and it had to be euthanized.

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Odontogenic-onset mucormycosis: A case series from a tertiary care institute in North India

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Mucormycosis is a serious fungal infection that can develop after dental procedures like tooth extraction or root canal therapy, especially in people with poorly controlled diabetes. This case study from India describes five patients who developed this infection within weeks of dental work. The infection destroys bone in the upper jaw and palate but usually doesn’t spread to the sinuses like other forms of mucormycosis. All patients improved with antifungal medications and surgical cleaning, highlighting the importance of proper sterilization during dental procedures.

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Giant cell arteritis as a cause of extracranial internal carotid artery aneurysm: a case report

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A 57-year-old woman was found to have a balloon-like bulge (pseudoaneurysm) in her carotid artery in the neck. Doctors performed surgery to remove the bulge and reconnect the artery. When they examined the removed tissue under a microscope, they discovered it was caused by giant cell arteritis, a rare inflammatory disease that affects blood vessels. After surgery, the patient recovered well with normal blood flow restored to the artery, and doctors recommend this open surgery approach as the best way to treat this condition.

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