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Biomedical subjects

S C Foster

Publications and source records attributed to S C Foster.

14 recordsLinked to original sources
PubMed1988

Ultrasound-guided intrauterine removal of intrauterine contraceptive devices in pregnancy.

The risk to the embryo and to the mother when pregnancy results with an intrauterine device (IUD) in the uterus is well documented. Current advice in such cases is to remove the IUD if the string is visible; proper management when the string is not accessible is controversial. In four such cases, we were able to remove the IUDs from inside the uterine cavity using a small alligator forceps guided by high-resolution ultrasound. All four pregnancies progressed successfully to term. Based on the literature and our own experience, we recommend removal of IUDs or therapeutic abortion when pregnancy occurs with an IUD in situ.

Adult↗
PubMed1979

Pulmonary pseudonodule.

A nodular density seen at the posterior lung base on lateral chest radiographs proved to be normal bone in the spine. This nodule results from slight thickening of the bone at the superior aspect of the area where the two laminae join to form the spinous process.

Diagnosis, Differential↗
PubMed1976

Lisfranc's tarsometatarsal fracture-dislocation.

Lisfranc's fracture-dislocation is an injury at the tarsometatarsal joints. Usually the metatarsals dislocate dorsally and laterally. These frectures can be subtle, and a knowledge of the normal relationships is essential. Review of foot radiographs indicated that the most constant normal relationship of the tarsometatarsal joints is the alignment of the second tarsometatarsal joint, which, fortunately, is involved in most Lisfranc's dislocations. There is more variation in normal alignment of the other tarsometatarsal joints, but gross abnormalities are detectable, and the presence of associated chip fractures and clinical correlation will usually clarify more subtle cases.

Adult↗