David B. Hwang

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BACKGROUND Tumor thickness (TT) appears to be a strong predictor for cervical lymph-node involvement in squamous cell carcinoma of the oral cavity (OSCC), but a precise clinically optimal TT cutoff point has not been established. To address this question, the authors conducted a meta-analysis. METHODS All relevant articles were identified from MEDLINE and(More)
BACKGROUND Persistent low-level elevation of human chorionic gonadotropin (hCG) without a history of gestational trophoblastic disease has often been treated unsuccessfully with chemotherapy and/or hysterectomy on the presumption that this was trophoblastic disease. CASES We report on 5 patients diagnosed with this condition who were closely monitored and(More)
This position paper claims that the combination of solutions to a finite collection of problem instances and an expansion capability of those solutions to similar problems is enough to achieve the artificial general intelligence comparable to the human intelligence. Learning takes place during expansion of existing solutions using various methods such as(More)
Primary acquired melanosis (PAM) with atypical cytological features has nearly a 50% chance of progressing to malignant melanoma. Surgical excision with cryotherapy has been the mainstay of treatment, but topical treatment with mitomycin C (MMC) is an increasingly common alternative treatment. Since PAM is relatively rare and MMC is a new treatment option,(More)
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