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1.
J Med Case Rep ; 17(1): 36, 2023 Feb 06.
Artigo em Inglês | MEDLINE | ID: mdl-36740698

RESUMO

BACKGROUND: Uterine adenomyosis is rarely a precursor of malignant tumors, but the most frequent histological subtype is endometrioid carcinoma. We observed a rare case of mucinous carcinoma originating from uterine adenomyosis. CASE PRESENTATION: A 63-year-old Japanese woman presented to our hospital with lower abdominal pain. She had no atypical genital bleeding. Ultrasound demonstrated thickening of the entire uterine wall, but the endometrium was not thick. Magnetic resonance imaging demonstrated an enlarged uterus with thickening of the entire uterine wall, suggesting adenomyosis. On the basis of the specimen of endocervical curettage, adenocarcinoma originating from the endometrium was suspected. Total abdominal hysterectomy and bilateral salpingo-oophorectomy were performed to confirm the diagnosis. Macroscopically, the resected enlarged uterus had no nodules and exudation of mucin was observed from the cut surface of the thickened myometrium. The surface of the endometrium was smooth. On histological examination, mucinous carcinoma invaded almost the entire myometrium. Adenomyotic lesions were distributed focally in the uterine wall, and transition from adenomyotic glandular epithelium to mucinous carcinoma was detected within several foci. Although adenocarcinoma cells proliferated adjacent to the endometrium, the primary endometrial epithelium was atrophic without atypia. Throughout the myometrium, the mucinous carcinoma cells proliferated and floated in dilated lymph vessels with abundant mucin pools. We diagnosed this case as mucinous carcinoma originating from adenomyosis. Although the patient received 11 courses of intravenous adjuvant chemotherapy, she died of disease 18 months after the first operation. CONCLUSION: As only one case of mucinous carcinoma originating from adenomyosis has been reported to date, this is the second case report of mucinous carcinoma. Moreover, an abnormal manner of proliferation with marked lymphatic permeation of the tumor cells throughout the myometrium was observed.


Assuntos
Adenocarcinoma Mucinoso , Adenocarcinoma , Adenomiose , Neoplasias do Endométrio , Feminino , Humanos , Pessoa de Meia-Idade , Neoplasias do Endométrio/diagnóstico por imagem , Adenomiose/diagnóstico por imagem , Adenomiose/complicações , Adenocarcinoma Mucinoso/diagnóstico por imagem , Adenocarcinoma Mucinoso/cirurgia , Adenocarcinoma/complicações
2.
BMC Womens Health ; 21(1): 136, 2021 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-33794866

RESUMO

BACKGROUND: Cronobacter sakazakii (C. sakazakii) is a bacterium known to cause severe neonatal infections in premature infants with the consumption of contaminated powdered milk formula. Adult infections are rare, and there have been no reports of pyosalpinx due to C. sakazakii to date. CASE PRESENTATION: We report a case of left pyosalpinx due to C. sakazakii in a sexually inactive postmenopausal woman. A 70-year-old woman presented to our hospital with left lower abdominal pain and fever. Abdominal computed tomography disclosed a cystic mass continuous with the left edge of the uterus. Urgent laparotomy revealed a ruptured left pyosalpinx with pus-like content. Left salpingo-oophorectomy, resection of the right tube, and washing of the abdominal cavity with saline were performed. Pathological examination of the left adnexa showed tubal tissue with acute inflammation and inflammatory exudate, which were compatible with pyosalpinx, and pus culture yielded C. sakazakii. CONCLUSIONS: This is the first case report of pyosalpinx due to C. sakazakii. Cronobacter sakazakii infections in adult women might occur in the elderly, whose immunity has weakened. Further accumulation of cases of C. sakazakii infection is needed to clarify the etiology and behavior of C. sakazakii in adults.


Assuntos
Cronobacter sakazakii , Infecções por Enterobacteriaceae , Idoso , Infecções por Enterobacteriaceae/complicações , Infecções por Enterobacteriaceae/diagnóstico , Feminino , Humanos , Lactente , Fórmulas Infantis , Recém-Nascido
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