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Biomedical subjects

C M Myer

Publications and source records attributed to C M Myer.

At least 127 records · Page 7Linked to original sources
PubMed1987

Ectopic gastric mucosa in the cervical esophagus.

Ectopic gastric mucosa is a known entity of the mid and lower esophagus which was initially described by Schmidt in 1805. The presence of ectopic gastric mucosa in the cervical esophagus, however, was not described. A review of the literature reveals that ectopic gastric mucosa of the cervical esophagus is not uncommon, but symptoms rarely have been attributed to its presence. This paper reports five patients with isolated inflamed ectopic gastric mucosa in the cervical esophagus who presented with odynophagia and/or dysphagia. Physical examination was unremarkable in each case, and an acid barium esophagram was negative in four of five patients. Factors that distinguish these patients from other cases of odynophagia and dysphagia, as well as detailed clinical findings and treatment, are described. Debate exists as to whether the origin of ectopic gastric mucosa is congenital or acquired. The embryology, gross and microscopic anatomy, and pathologic features are outlined. Patients with persistent dysphagia should have flexible fiberoptic esophagoscopy with an index of suspicion to the existence of ectopic gastric mucosa. Inflamed or ulcerated ectopic gastric mucosa in the cervical esophagus should be treated to relieve symptoms and because of the potential for complications.

Adult↗
PubMed1987

Blunt laryngeal trauma in children.

The diagnosis of laryngeal trauma in an adult trauma patient is usually readily made. It is frequently overlooked in children, however, because of the severity of their concomitant injuries and the unfamiliarity of pediatricians with this type of injury. The child with laryngeal trauma may develop respiratory distress much more quickly than an adult because of the relatively small dimensions of the pediatric airway and the apparent propensity for children to develop edema of the soft tissues of the larynx. This report retrospectively reviews our experience during the past several years with ten children who experienced blunt laryngeal trauma. Emphasis is placed upon the diverse etiologies of laryngeal trauma in children and the importance of both flexible and rigid laryngoscopy in the diagnosis and management of these patients.

Adolescent↗
PubMed1986

Otolaryngologic manifestations of the ectodermal dysplasias--clinical note.

The recent formation of a national organization for ectodermal dysplasias has focused attention on this unusual congenital problem. In any rare condition, information dissemination is essential in order to appropriately educate the patients' families and the physicians caring for them. The otolaryngologist is a vital component of the health care team managing these patients. An overview of the disease process is presented with special emphasis placed on the role of the pediatric otolaryngologist in the care of children with ectodermal dysplasias.

Child↗
PubMed1986

Use of the neodymium/yttrium aluminum garnet laser in middle ear surgery: a preliminary report.

Clinical usefulness of the neodymium/yttrium aluminum garnet (Nd:YAG) laser in surgery of the middle ear is unproven. An animal study was designed to examine the influence of Nd:YAG laser irradiation on cochlear potentials following vaporization of the stapes. Electrocochleagraphic changes were observed in two of the five animals studied, and caution is advised before using this instrument in humans.

Animals↗
PubMed1985

Airway obstruction in an immunosuppressed child.

Recipients of organ transplants who require continuous immunosuppression appear to have an increased incidence of lymphoproliferative disorders. A case of severe upper airway obstruction resulted from adenotonsillar hypertrophy in a 2-year-old girl following liver transplantation. Tonsillectomy and adenoidectomy dramatically reversed the airway problem and confirmed a transplant-associated lymphoproliferative disorder. A generalized lymphadenopathy also regressed with reduction of cyclosporine immunosuppression. We urge vigilance in monitoring transplant recipients, particularly children, for problems of upper airway obstruction and advocate prompt biopsy of persistently enlarged lymphoid tissue in all immunosuppressed individuals who fail to respond to conventional medical therapy.

Adenoidectomy↗
PubMed1985

Laryngotracheal stenosis in spondyloepiphyseal dysplasia.

Laryngotracheal stenosis has not been reported previously as a manifestation of spondyloepiphyseal dysplasia. Two recent cases are reported detailing the upper airway pathology encountered. The clinical features of spondyloepiphyseal dysplasia are reviewed in an attempt to develop a treatment protocol for such patients with laryngotracheal stenosis. The ultrastructural abnormalities found in these patients' cartilages are emphasized. Caution is advised before attempting laryngotracheoplasty.

Child↗
PubMed1983

Nasal obstruction in the pediatric patient.

Early signals of pathologic causes of nasal obstruction in childhood may pass unnoticed by the unsuspecting physician because these signals mimic innocuous problems such as the common cold, sinusitis, and allergic rhinitis. The hope for early recognition of the more serious causes of nasal obstruction in children depends upon a high degree of suspicion. Some of the common and uncommon causes of nasal obstruction are enumerated by categorizing the possible etiologies into congenital, traumatic, iatrogenic, inflammatory, and neoplastic classifications. With a systematic approach that utilizes history, physical examination, and special diagnostic studies, misdiagnosis can be avoided and treatment initiated more rapidly and effectively.

Airway Obstruction↗
PubMed1982

Acute suppurative thyroiditis in children.

The ability of the thyroid gland to withstand infection is a well known phenomenon. In this regard, inflammatory disease of the thyroid gland in children is an uncommon occurrence. The frequency with which this proceeds to abscess formation is rare. Review of the literature of the past 25 years reveals only 21 reported cases of acute suppurative thyroiditis in children, only one of which has been reported in the otolaryngologic literature. We report two cases of thyroid abscess in children initially presented as painful swellings in the lower neck. An overview of the management of these patients is detailed, including a discussion of the appropriate utilization of diagnostic studies. Demonstration of an internal fistula originating from the pyriform sinus underscores the need to consider a fourth branchial arch remnant as a possible source of infection. The importance of obtaining appropriate bacterial, fungal, and acid-fast cultures is stressed, as is the role of antibiotic therapy and definitive surgery once the diagnosis of thyroid abscess is made.

Abscess↗