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Chest Wall Muscle Changes after a Mastectomy: Findings of Chest CT
Journal of the Korean Surgical Society ; : 183-187, 1999.
Artigo em Coreano | WPRIM | ID: wpr-45473
ABSTRACT

BACKGROUND:

Chest CT after a mastectomy in breast cancer patients is usually performed to detect recurrence or metastasis. It is essential for surgeons and radiologists to know the appearance of the chest wall in a postmastectomy state. Especially, muscle atrophies of the chest wall, such as that of the pectoralis major muscle, indicate whether modified radical mastectomy (MRM) was properly performed or not.

METHODS:

We performed a retrospective analysis of chest wall changes in mastectomy patients with follow-up chest CT findings to evaluate the results of MRMs. The medical records and CT findings of chest wall atrophy for a total 38 patients who were treated at Kangnam St. Mary's Hospital, the Catholic University of Korea, were reviewed. The mean age was 58.3 yeras, and the interval between operation and follow-up CT was 6.6 years. The operations performed were a radical mastectomy (RM) in 3 patients and a MRM in 35 patients Patey in 28 patients, Auchincloss in 6 patients, and Scanlon in 1 patient.

RESULTS:

In the RM, muslce atrophies were noted at the m. subscapularis in 3 patients (100 %), the m. serratus anterior in 2 patients (66.7%) and the m. lattisimus dorsi in 1 patient (33.3%). In MRM, the Patey and Auchincloss operations showed m. pectoralis major atrophies in 22 patients (78.8%) and 5 patients (83.3%) respectively. Additionally m. pectoralis minor atrophy was noted in all 6 patients (100%) who underwent the Auchincloss operation. However, there was no muscle atrophy in patients who received scanlon operation.

CONCLUSIONS:

These results suggests that lateral pectoral nerve injury is the main cause of m. pectoralis major atrophy in MRM. The scanlon operation which preserves the nerve by dividing of pectoralis minor m. at its origin is a suitable operation for chest-wall muscle preservation. We hope that by the future study, we can confirm the best way of preventing chest-wall muscle atrophy in MRMs.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Atrofia / Nervos Torácicos / Tórax / Neoplasias da Mama / Atrofia Muscular / Mastectomia Radical Modificada / Mastectomia Radical / Tomografia Computadorizada por Raios X / Prontuários Médicos Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Humanos País/Região como assunto: Ásia Idioma: Coreano Revista: Journal of the Korean Surgical Society Ano de publicação: 1999 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Recidiva / Atrofia / Nervos Torácicos / Tórax / Neoplasias da Mama / Atrofia Muscular / Mastectomia Radical Modificada / Mastectomia Radical / Tomografia Computadorizada por Raios X / Prontuários Médicos Tipo de estudo: Estudo diagnóstico / Estudo observacional / Estudo prognóstico Limite: Humanos País/Região como assunto: Ásia Idioma: Coreano Revista: Journal of the Korean Surgical Society Ano de publicação: 1999 Tipo de documento: Artigo