Hamman syndrome in an 18-year-old male patient.

In 1939, Hamman´s syndrome, also know as spontaneous pneumomediastinum, was characterized by the presence of pneumothorax, subcutaneous emphysema, and pneumorrhachis. It is believed to arise from barotrauma during vaginal labor, causing alveolar membrane rupture and subsequent air leakage. Clinical manifestations are often nonspecific.

Re: Epidemiology of giant cell arteritis in Waikato, Aotearoa New Zealand.

The interest in epidemiological data on giant cell arteritis (GCA) increased both in New Zealand and in Latin America, resulting in updated articles like those here commented. Of more relevance are two very recent contributions by van Dantzig et al. with novel conclusive findings from their evaluations on GCA performed in the region of Waikato.

Thoracic duct lymphangioma and chylous ascites in a 24-year-old female.

Lymphangiomas are rare and correspond to 0.7% to 4.0% of mediastinal tumors, and isolated mediastinal location occurs in 1% of cases.

Rectal Metastases of Breast Carcinoma: A Case Report.

The scarcely reported hematogenous rectal metastases from breast cancer are rare and the diagnosis is challenging. They may be recognized before, concomitantly with, or after the diagnosis of the primary site of breast cancer. Invasive lobular cancer is the histological type more frequently described, and most of the affected patients have a late diagnosis.

A Brazilian male with typical oral and pulmonary paracoccidioidomycosis.

An autochthonous case of paracoccidioidomycosis was reported in a city of north Iran. This condition is a well-known endemic fungal infection highly prevalent in Latin American countries, with an incidence of 1 to 3.7 cases per 100.