Publications by authors named "Anhi Lee"

As the conventional histopathologic examination of thymic carcinoma (TC) is nonspecific, immunohistochemical studies along with correlative radiographic investigations are needed for its correct diagnosis. TC commonly occurs in the late 5th to early 6th decades of life but is extremely rare in childhood. It may be incidentally detected from chest radiographs taken as routine or for other reasons.

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Synovial chondromatosis (SC) is a benign proliferative process of synovial tissue creating multiple cartilaginous nodules in joints. It most commonly occurs in the large joints of the knee, hip, and shoulder, uncommonly in the small joints of the hand and foot, and only rarely in the tenosynovial membrane of tendon sheath, termed tenosynovial chondromatosis (TC). Unlike SC, TC predisposes to the foot or hand.

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Kimura's disease is a rare, benign lymphoproliferative disorder of unknown etiology. It occurs most often in Asian men, usually in the second or third decade of life. Most lesions occur in the head and neck followed by the axilla, groin, popliteal region, and arm.

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Chromomycosis is primarily a skin disease that superficially presents as slowly growing, verrucous lesions, often warty or cauliflower-like in appearance. It may occasionally create a flat, plaque-like lesion in the skin but deep-seated tumorous presentation has not previously been reported. As the lesion is limited to the cutaneous and superficial subcutaneous tissues, hitherto reported cases have been described from the view point of dermatology and, so, without MRI study.

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Four cases of very rare composite glandular-endocrine cell carcinoma of the stomach are presented with methylation findings. All but one of the tumors arose in the antrum and two of them were at the early stage. Each composite carcinoma was accompanied by atrophic and metaplastic gastritis in the adjacent mucosa.

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Serrated neoplasm of the colorectum raised many as-yet unanswered issues. To characterize serrated neoplasia pathway, we investigated BRAF and KRAS mutations in 35 traditional serrated adenomas. BRAF exons 11 and 15, and KRAS exon 2 were amplified by polymerase chain reaction and directly sequenced.

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Hyalinizing spindle cell tumor with giant rosettes (HSCTGR) is a recently described tumor, which is regarded as an unusual variant of low-grade fibromyxoid sarcoma. Proof of a metastatic potential was lacking. The patient in the report was a 35-yr-old woman who showed multiple bilateral pulmonary nodules with massive pleural effusion in the right side.

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Arteriovenous malformation is a well-known cause of lower gastrointestinal bleeding in the elderly and usually appears as flat or elevated bright red lesions endoscopically. Here we present a 59-year-old woman with a large fungating polypoid mass in the transverse colon. Histologically, the larger vessels were located mainly in the submucosa, and smaller vessels were also observed within the mucosa.

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Granulomas in gastric biopsy specimens are extremely rare, and in Western countries, more than half are associated with Crohn's disease. To evaluate the incidence and their etiology in a gastric carcinoma (and Helicobater pylori infection)-prevalent area, gastric mucosal biopsies were reviewed and their clinicopathologic findings were analyzed. The clinicopathologic diagnoses of the 18 patients with granulomatous gastritis were as follows: chronic gastritis with (n = 14) and without (n = 1) H.

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Determining of HER-2/neu oncogene amplification has become clinically important for managing breast cancer. Fluorescent in situ hybridization (FISH) and immunohistochemistry (IHC) are currently regarded as the standard methods. Chromogenic in situ hybridization (CISH) was investigated as a new modification with an accurate, sensitive technique.

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