Merkel Cell Carcinoma Brain Metastasis Mimicking Stroke: A Case Report.

Merkel cell carcinoma (MMC) is a rare cutaneous neuroendocrine cancer that has the potential to metastasize. However, brain metastasis is infrequent in this type of cancer. We presented a case of a 55-year-old female patient with MCC who had a skin lesion on her right thigh.

Central lung adenocarcinoma in a young male mimicking pneumonia with nonrecurrent polyserous effusions of negative cytology: A case report.

Introduction And Importance: Lung adenocarcinoma may resemble the clinical presentation of an infectious or inflammatory lung disease. The coexistence of lung cancer, and polyserous effusions is uncommon, which may cause a diagnostic challenge. However, any polyserous effusions at a young age must always be suspicious for malignancy.

Brain abscess as a complication of nasopharyngeal COVID-19 swab testing: Two case reports and a literature review.

Introduction And Importance: The nasopharyngeal swab, which has experienced a marked increase in utilization during the COVID-19 pandemic and is considered the gold standard for COVID-19 testing due to its high diagnostic accuracy and sensitivity, The procedure is generally safe and well-tolerated, with pain, discomfort, and the urge to cough or sneeze being the most common complications. Though it is occasionally associated with serious complications.

Case Presentation: we report two cases of brain abscess as a complication of nasopharyngeal COVID-19 testing.

Biallelic variants in PAX3 cause Klein syndrome.

Waardenburg syndrome is a group of genetic conditions that can cause hearing loss and pigmentation deficiency of the hair, skin, and eyes. Klein-Waardenburg syndrome (Waardenburg syndrome type 3) represents a distinct presentation of Waardenburg syndrome type 1 and includes musculoskeletal abnormalities in addition to dystopia canthorum hearing loss and pigmentary changes. Heterozygous or homozygous variants in the PAX3 gene cause Klein-Waardenburg syndrome.