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At least 505 records · Page 28Linked to original sources

Relapses after interruption of cyanocobalamin therapy in patients with pernicious anemia.

One or more episodes of recurrent megaloblastic anemia occurred in 36 (10.8 percent) of 333 patients with pernicious anemia following interruption of therapy. Treatment had most commonly been discontinued by patients because they felt well, or by physicians due to error. Thirty-five episodes of recurrent cobalamin deficiency were analyzed in detail. In the 24 patients in whom the exact date of cessation of therapy was recorded, the mean interval before relapse was diagnosed was 64.5 months (range 21 to 123 months). Recurrence manifested as macrocytosis in the absence of anemia occurred earlier (mean, 49.2 months) than that associated with anemia (73.1 months). A weak correlation was apparent between the amount of previous cyanocobalamin treatment and time to relapse. One third of relapses were unrecognized and left untreated for more than two years, while usually slow hematologic progression occurred. Recurrences of cobalamin deficiency in individual patients exhibited mimetic features. Further study is necessary to establish the optimal dosage and frequency of maintenance therapy in pernicious anemia.

Adult↗

Nonspecific stomatitis-a presenting sign in pernicious anemia.

Recurrent nonspecific stomatitis may be an oral sign of pernicious anemia. Repeated examinations and blood studies are important when the cause of stomatitis is not clear on initial evaluation of a complaint of sore mouth. Three cases of pernicious anemia are presented to illustrate the similarities and differences in oral signs of pernicious anemia.

Adult↗

Focal epithelial hyperplasia. Report of five new cases from Argentina.

Five cases of focal epithelial hyperplasia in Argentina from 1968 to 1974 are reported. There was an age range from 11 to 27 years, with an average of 18 years. Three of the patients were born in Jujuy in the northwest corner of the country. Two of these cases were observed in an epidemiologic study carried out among 8,895 20-year-old Argentine men from different areas.

Adolescent↗

The ultrastructure of geographic tongue.

Two typical cases of "geographic tongue" were investigated by means of the electron microscope. Biopsy specimens of both including the white elevated and the smooth erythematous areas of the lesions were, after routine processing, studied in semithin and ultrathin sections with a JEM 7A electron microscope. Results revealed, in the white elevated areas of the lesions, subepithelial polymorphonuclear infiltrates and microabsesses, leukocyte invasion into the epithelial layer, interepithelial edema, rupture of cell juctions, rich glycogen deposits in epithelial cells, lack of differentiation into keratinized cells, and cell necrosis with exfoliation of necrotic epithelial cells and leukocytes in the surface layer. The erythematous, smooth areas revealed pathomorphologic features of healing : some mononuclear infiltrate cells in sub- and interepithelial positions, two types of basal cell, occurring in groups, with features of either typical epidermal basal cells of immature basal cells, filament and filament bundle formation in the spinous layer, the lack of a stratum granulosum, and incomplete keratinization or parakeratinization in the surface layer. Differentiation into filiform papillae was lacking in this area. The findings have been discussed in relation to the disturbances of the keratinization process.

Color↗

Scrotal tongue and geographic tongue: polygenic and associated traits.

The familial nature of scrotal and geographic tongue was investigated in parents and siblings of 156 probands having these conditions. The prevalence in parents and siblings was significantly higher than that in the control populations. The prevalence in sibilings from families in which at least one parent was also affected was significantly higher than that in siblings from families in which neither parent was affected. The prevalence of scrotal tongue alone in siblins was similar irrespective of the condition in the proband. The prevalence of geographic tongue alone was highest in siblins of probands having only geographic tongue. A polygenic mode of inheritance with some genes common to both conditions is suggested.

Adolescent↗

Allergic stomatitis caused by self-polymerizing resin.

This is a fully documented case, including biopsy and patch testing, of a patient who was hypersensitive to self-polymerizing polymethyl methacrylate. On two occasions, a 24-year-old woman with a history of multiple allergies developed allergic reactions to temporary acrylic dental restorations. The lesions disappeared upon removal of the restorations. Microscopic findings were consistent with an allergic reaction. Patch testing confirmed that the allergen was the monomer and indicated methods of processing the self-polymerizing resin to allow it to become essentially nonreactive in a sensitized patient.

Adult↗

Prevalence of different morphologic forms of the human tongue in young Finns.

Morphologic variations on the surface of the human tongue were examined in 381 patients divided by age into three groups (Group I--3 to 8 years old; Group II--9 to 16 years old; and Group III--17 to 35 years old). In Group I there were 84 pre-school children; in Group II there were 146 schoolchildren; in Group III there were 151 dental students and dental nurse students. The prevalence of variations in the morphology of the tongue surface in the three groups combined was as follows: fissured tongue, 5.0 percent; filiform atrophy, 5.5 percent; geographic tongue, 2.1 percent, and hairy tongue, 8.3 percent. Prevalence of both fissured tongue (p less than 0.05) and filiform atrophy (p less than 0.01) increased with the age of the population. Geographic tongue and hairy tongue did not increase significantly with age. Fissured tongue was more common in males than in females (p less than 0.05). The amount of filiform atrophy and hairy tongue was not significantly different in males and females.

Adolescent↗