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1.
Mycobiology ; 45(1): 1-8, 2017 Mar.
Article in English | MEDLINE | ID: mdl-28435347

ABSTRACT

Despite the huge worldwide diversity of Trichoderma (Hypocreaceae, Ascomycota), only about 22 species have been reported in Korea. Thus, between 2013 and 2015, soil-derived Trichoderma spp. were isolated to reveal the diversity of Korean Trichoderma. Phylogenetic analysis of translation elongation factor 1 alpha gene was used for identification. Among the soil-derived Trichoderma, Trichoderma albolutescens, T. asperelloides, T. orientale, T. spirale, and T. tomentosum have not been previously reported in Korea. Thus, we report the five Trichoderma species as new in Korea with morphological descriptions and images.

2.
Ann Thorac Surg ; 91(1): e10-1, 2011 Jan.
Article in English | MEDLINE | ID: mdl-21172468

ABSTRACT

Gastropericardial fistula is an acquired disorder presenting as an abnormal communication between the stomach and the pericardium, with a rare incidence and extremely high mortality rate. We recently experienced a case of life-threatening gastropericardial fistula occurring as an unusual complication after an esophagectomy with an esophagogastrostomy for esophageal cancer treatment. A 68-year-old man with a history of esophagectomy and esophagogastrostomy using the gastric pedicle for the esophageal cancer 13 years ago, visited the hospital with a complaint of dyspnea for 3 days. Chest roentgenogram, computed tomographic scan, and endoscopy showed a pneumopericardium and huge ulcer with central perforation in the posterior wall of the gastric pedicle.


Subject(s)
Esophagectomy/adverse effects , Gastrectomy/adverse effects , Gastric Fistula/etiology , Pericardium , Pneumopericardium/etiology , Vascular Fistula/etiology , Aged , Carcinoma, Squamous Cell/surgery , Esophageal Neoplasms/surgery , Gastric Fistula/diagnosis , Gastric Fistula/therapy , Humans , Male , Pneumopericardium/diagnosis , Pneumopericardium/therapy , Vascular Fistula/diagnosis , Vascular Fistula/therapy
3.
Korean J Pediatr ; 53(11): 971-4, 2010 Nov.
Article in English | MEDLINE | ID: mdl-21218020

ABSTRACT

Pulmonary cryptococcosis is rare in immunocompetent subjects. Here, we present the case of a 16-year-old boy who was referred to our pediatric department for the management of multiple consolidations detected on chest radiography, which was routinely performed when the patient was being evaluated for an ankle fracture. Fine needle aspiration biopsy was performed, and the definitive diagnosis was established as cryptococcal pneumonia. After 8 weeks of antifungal treatment, the pulmonary nodules on the chest radiographs disappeared.

4.
Pathol Res Pract ; 200(11-12): 845-9, 2005.
Article in English | MEDLINE | ID: mdl-15792131

ABSTRACT

We present a case of Langerhans cell histiocytosis (LCH) diagnosed in the mastoid bone. The tumor recurred in the ureter and maxillary sinus mucosa two years later. The diagnosis of LCH was based on morphology and immunohistochemistry. Involvement of the ureter and the maxillary sinus in LCH is extremely rare. To the best of our knowledge, this is the first case of LCH affecting the mastoid bone in a 16-year-old boy and recurring later in the ureter and maxillary sinus mucosa.


Subject(s)
Eosinophilic Granuloma/pathology , Maxillary Sinusitis/pathology , Ureteral Diseases/pathology , Adolescent , Antigens, CD1/metabolism , Biomarkers/metabolism , Cell Nucleus/metabolism , Cell Nucleus/pathology , Eosinophilic Granuloma/metabolism , Eosinophilic Granuloma/therapy , Glucocorticoids/therapeutic use , Humans , Male , Mastoid/pathology , Maxillary Sinusitis/metabolism , Maxillary Sinusitis/therapy , Recurrence , Temporal Bone/diagnostic imaging , Temporal Bone/pathology , Tomography, X-Ray Computed , Ureteral Diseases/metabolism , Ureteral Diseases/therapy
5.
Mod Pathol ; 17(6): 611-6, 2004 Jun.
Article in English | MEDLINE | ID: mdl-15073597

ABSTRACT

KIT is expressed not only in tumors derived from hematopoietic stem cells, melanocytes, germ cells, mast cells, and interstitial cells of Cajal, but also in other malignancies such as chromophobe renal cell carcinoma. This pattern of KIT expression prompted us to investigate the expression and mutation of c-kit gene exons 9, 11, 13, 17, and intron 17 in the different subtypes of renal cell carcinomas (n=66) and non-neoplastic kidneys (n=12). We found that KIT showed strong immunoreactivity in the cytoplasm of papillary renal cell carcinomas (100%), but on the cell membranes of chromophobe renal cell carcinomas (100%). Interestingly, a specific point mutation of the c-kit intron 17 (T->A) was found only in papillary renal cell carcinomas (94%). Our study demonstrates that the expression pattern and one mutation of c-kit may distinguish papillary renal cell carcinomas.


Subject(s)
Carcinoma, Papillary/genetics , Carcinoma, Renal Cell/genetics , Gene Expression Profiling , Kidney Neoplasms/genetics , Point Mutation , Proto-Oncogene Proteins c-kit/genetics , Base Sequence , Carcinoma, Papillary/metabolism , Carcinoma, Papillary/pathology , Carcinoma, Renal Cell/metabolism , DNA Mutational Analysis , DNA, Neoplasm/chemistry , DNA, Neoplasm/genetics , DNA, Neoplasm/isolation & purification , Gene Expression Regulation, Neoplastic , Immunohistochemistry , Kidney/chemistry , Kidney/metabolism , Kidney/pathology , Kidney Neoplasms/metabolism , Kidney Neoplasms/pathology , Polymerase Chain Reaction
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