In an attempt to determine the diagnostic value of FNA biopsy of head and neck masses, we reviewed FNAs performed on target lesions of the head and neck in1 59 patients who subsequently underwent surgery in Khalili hospital dur-. ing a 55 month period. Results ofFNAs were compared with postsurgical histologic diagnoses. These 159 cases were broken down into four categories: thyroid masses ...

\Ripple Down Rules (RDR)" Method is one of the promising approaches to directly acquire and encode knowledge from human experts. It requires data to be supplied incrementally to the knowledge-base being constructed and new piece of knowledge is added as an exception to the existing knowledge. Because of this patching principle, the knowledge acquired strongly depends on what is given as the def...

keratoderma is a group of disorders characterized by abnormal thickening of skin. acquired palmar keratoderma has many underlying causes. the association of thyroid disease and palmar keratoderma rarely reported. hypothyroidism, although very rare association, must be suspected in patients with acquired ppk, particularly when it occurs in setting of systemic symptoms or predisposing conditions....

conclusions the current study indicated that h. pylori infection occurs at a higher rate in patients with down syndrome and mental retardation. this may provide more reasons to control the transmission of h. pylori among them. results the differences between the groups were compared by t-test and x2 test. seropositivity for h. pylori was significantly higher in patients with down syndrome and m...

Objective: This study aimed to evaluate the quality of life and related factors in mothers of children with Down syndrome. Methods: The study method was correlation-survey (sectional). Sampling was based on the available population. The research population consisted of all mothers of children with Down syndrome referred to the Down Syndrome Center: out of them 70 mothers of chil...