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The onset of the COVID-19 pandemic allowed physicians to gain experience in lung ultrasound (LUS) during the acute phase of the disease. However, limited data are available on LUS findings during the recovery phase. The aim of this study was to evaluate the utility of LUS to assess lung involvement in patients with post-COVID-19 syndrome. This study prospectively enrolled 72 patients who underwent paired LUS and chest CT scans (112 pairs including follow-up). The most frequent CT findings were ground glass opacities (83.3%), subpleural lines (72.2%), traction bronchiectasis (37.5%), and consolidations (31.9%). LUS revealed irregular pleural lines as a common abnormality initially (56.9%), along with subpleural consolidation >2.5 mm ≤10 mm (26.5%) and B-lines (26.5%). A strong correlation was found between LUS score, calculated by artificial intelligence percentage involvement in ground glass opacities described in CT (r = 0.702, p < 0.05). LUS score was significantly higher in the group with fibrotic changes compared to the non-fibrotic group with a mean value of 19.4 ± 5.7 to 11 ± 6.6, respectively (p < 0.0001). LUS might be considered valuable for examining patients with persistent symptoms after recovering from COVID-19 pneumonia. Abnormalities identified through LUS align with CT scan findings; thus, LUS might potentially reduce the need for frequent chest CT examinations. [ABSTRACT FROM AUTHOR]

Amyloidosis is an uncommon condition, which results from accumulation of misfolded extracellular insoluble protein in tissues and organs of the body, causing its damage and dysfunction. Histologically, after staining with Congo red, the amyloid deposits show an apple-green birefringence under polarized light microscope. Amyloidosis can affect all organ systems and is classified into hereditary or acquired, localized or systemic. Respiratory involvement occurs in 50% of the patients with amyloidosis and it may take tracheobronchial, nodular parenchymal, diffuse alveolar septal and lymphatic forms. We report four cases of pulmonary amyloidosis. A female patient with localized form of tracheobronchial and nodular parenchymal pulmonary amyloidosis, which was initially misdiagnosed as sarcoidosis. A male patient who was referred to our department for further evaluation of multiple tumors in lungs accompanied by mediastinal lymphadenopathy, liver and peritoneal tumors. A male patient with suspect of lung malignancy. A male patient with diagnosed idiopathic pulmonary fibrosis and the possibility of malignancy. All the diagnoses were established by demonstration of amyloid protein in tissue specimens obtained in transbronchial or open lung biopsies. Due to its nonspecific clinical and radiological findings, amyloidosis can often mimic other diseases and should be considered as one of the differential diagnoses. In order to confirm the diagnosis, proving the presence of amyloid deposition with positive Congo red staining in respiratory specimen is mandatory. [ABSTRACT FROM AUTHOR]

Objectives: Human papillomavirus (HPV) is one of the main causes of cervical neoplasia. There is now consistent evidence that Human Papillomavirus (HPV) has a causal role in the etiology of cervical cancer and that sexual habits and reproductive/hormonal factors are associated with the risk of invasive cervical cancer. In our investigation we estimated the frequency of HPV infection in uterine cervix in women gathered in perimenopausal and postmenopausal groups., Materials and Methods: We screened 90 women in western Poland to obtain cytological smears, and tested all smears for 33 types of HPV with a polymerase chain reaction-based system. All women were classified according to age into three groups., Results: HPV infections peaked in the group of 45 to 49 year old (48.5% using universal starters) and decreased in 56 year or olders (26.1% using universal starters) with predominantly non-cancer-associated types of HPV and uncharacterized HPV types., Conclusions: We confirm the decline of HPV infection with age. But note increased prevalence after menopause, which could be related to a second peak of HSILs, an observation that warrants further investigation. At least 80% of HPVs involved in cervical carcinogenesis in this population have been characterized. Polyvalent vaccines including the main cancer-associated HPV types may be able to prevent most cases of cervical disease in this region.

The purpose of the study was the analysis of regulatory (region 5 gen) and encoding sequences of RAR-alpha receptor in cervical dysplasia and invasive cancer associated with HPV infection. A PCR method with the use of specific primers was applied to amplify and detect DNA sequence of various HPV types. A PCR-SSCP method was used to analyse the sequence of RAR--a receptor. The study revealed changes in structure of regulatory and encoding sequences of the investigated RAR receptor. Utmost changes were found in DNA isolated from tissues with diagnosis of adenocarcinoma colli uteri.