Children's Castle (Lastenlinna) is a former children's hospital in Helsinki, Finland. It was part of Helsinki University Central Hospital.
The hospital was established in 1918 in the Kallio district of Helsinki. The building was designed by the Finnish architect Elsi Borg. Its current building in Taka-Töölö was completed in 1948.
A children's hospital (CH) is a hospital that offers its services exclusively to infants, children, adolescents, and young adults from birth up to until age 18, and through age 21 and older in the United States. In certain special cases, they may also treat adults. The number of children's hospitals proliferated in the 20th century, as pediatric medical and surgical specialties separated from internal medicine and adult surgical specialties.
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