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June 1981

Formalin or Formaldehyde?

Author Affiliations

Los Angeles

Lakewood, Calif

Arch Dermatol. 1981;117(6):316-317. doi:10.1001/archderm.1981.01650060004005

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To the Editor.—  In the article entitled "Cutaneous Endosalpingiosis" by Doré et al in the August 1980 Archives (116:909-212), they stated that "the specimens were fixed in a 10% formaldehyde solution." Did the authors mean to say 10% formalin? Ten percent formalin is the standard fixative used in modern histopathology. Formalin itself is a 37% solution of formaldehyde gas in water. Hence, 10% formalin is actually a 3.7% solution of formaldehyde.An interesting feature of the case reported, which deserves further comment by the authors, is the patient's pregnancy at an early age. According to the authors, the patient was 30 years old (in 1980?) and had an abortion in 1960, making her 10 years old at that time. Is there some relationship between early puberty and the pathogenesis of cutaneous endosalpingiosis?

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