著者

Miya Andou Masaki Tominaga Ryuta Nishikomori Kenji Gotou Nobukazu Komatsu Masanobu Matsuoka Tomotaka Kawayama Tomoaki Hoshino

出版者

The Japanese Society of Internal Medicine

雑誌

Internal Medicine (ISSN:09182918)

巻号頁・発行日

pp.2350-23, (Released:2023-09-29)

参考文献数

10

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A 30-year-old man presented with oral candidiasis and a history of lung abscess. He experienced recurring oral and skin candidiasis in childhood but spent long periods without any infections. Therefore, immunodeficiency was suspected. T and B lymphocyte and natural killer cell counts as well as immunoglobulin levels were normal. Human immunodeficiency virus test results were negative. Therefore, we suspected chronic mucocutaneous candidiasis (CMC). The signal transducer and activator of transcription (STAT) mutation, the leading cause of CMC, was detected by exome sequencing. Most cases of STAT-1 mutations are diagnosed in childhood, but a few are diagnosed in adulthood because Candida infections may not be severe.

著者

Masaki Okamoto Masaki Tominaga Shigeki Shimizu Chiyo Yano Ken Masuda Masayuki Nakamura Yoshiaki Zaizen Takashi Nouno Satoshi Sakamoto Mitsuru Yokoyama Tomotaka Kawayama Tomoaki Hoshino

出版者

The Japanese Society of Internal Medicine

雑誌

Internal Medicine (ISSN:09182918)

巻号頁・発行日

vol.56, no.24, pp.3323-3326, 2017-12-15 (Released:2017-12-15)

参考文献数

19

被引用文献数

11

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A 40-year-old female dental technician visited our hospital for the investigation of a chest X-ray abnormality. Chest computed tomography demonstrated centrilobular nodules and lung volume reduction, and her serum KL-6 level was elevated. A histological analysis of the specimens obtained on a surgical lung biopsy showed peribronchiolar fibrosis with pigmented macrophages and cholesterol clefts. An energy-dispersive X-ray analysis showed that these lung tissues contained some metals, including indium. The serum indium level was also elevated. We diagnosed this patient with pneumoconiosis caused by exposure to sandblasting certain dental metals. This is the first reported case of pneumoconiosis in a dental technician associated with exposure to indium.