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1.
Korean Journal of Clinical Oncology ; (2): 93-96, 2022.
Article Dans Anglais | WPRIM | ID: wpr-968000

Résumé

Breast metastases from extramammary malignancies are rare. Here, we report a case of breast metastasis from hepatocellular carcinoma (HCC) after breast mass excision in a 63-year-old woman. A new breast nodule was noticed after transarterial chemoembolization, transarterial radioembolization, and stereotactic body radiation therapy for HCC. Breast ultrasound and core needle biopsy were performed to differentiate between the breast tumors. The biopsy result was invasive breast carcinoma, and wide excision of the breast was performed. The final pathological diagnosis was HCC breast metastasis based on histological findings and immunohistochemical staining results. After 9 months of follow-up, HCC and breast metastasis recurred. Despite palliative treatment, the patient died due to complications and general health deterioration. Although breast metastasis due to HCC is very rare, HCC breast metastasis should be considered when a new breast mass is discovered in a patient with a history of HCC for effective treatment and management.

2.
Journal of Breast Disease ; (2): 84-87, 2021.
Article Dans Anglais | WPRIM | ID: wpr-937776

Résumé

Eosinophilic mastitis is a rare disease in which eosinophils infiltrate the ducts and lobules of the breast, causing mammary inflammation. Although eosinophilic mastitis is a benign condition, it presents similarly to and is often mistaken for breast cancer. Here we report the first case of eosinophilic mastitis in Korea. A 43-year-old woman presented with redness and swelling in her right breast. A breast ultrasound revealed ill-defined isoechoic and hyperechoic areas in the upper half and lower inner quadrant of the right breast combined with axillary level I lymphadenopathy. A histopathological examination by core needle biopsy demonstrated lymphoplasma cell infiltration with eosinophils. A peripheral blood examination revealed an eosinophil count of 5,000/mm³. The patient was treated with oral steroids, antibiotics, and leukotriene receptor antagonists. Four months later, the eosinophil count had returned to normal, and breast ultrasound exhibited marked improvement.

3.
Tuberculosis and Respiratory Diseases ; : 342-346, 2011.
Article Dans Coréen | WPRIM | ID: wpr-66608

Résumé

Herein we report the case of a 71-year-old woman who complained of fatigue and enlarged right axillary lymph nodes for 18 months. At her first visit, her chest X-ray showed diffuse nodular opacities in both lung fields. Initial excisional biopsy of the axillary lymph nodes showed granulomatous lesions and acid fast bacilli were seen on Ziehl-Neelsen staining. However, even after 15 months of anti-tuberculosis (TB) medication, her right axillary lymph nodes were enlarged. We re-performed an excisional biopsy of the nodes, which showed Hodgkin's lymphoma (HL). A retrograde review of the biopsy before anti-tuberculous medication, revealed HL coexisting with TB. HL and TB cause difficulties in differential diagnosis due to similarities in clinical course, imaging procedures and histopathological analysis of the involved tissue. Therefore, it is important to consider the possibility of concurrent HL and TB when patients who undergo treatment for TB or chemotherapy for lymphoma complain of persistent systemic symptoms or enlarged lymph nodes.


Sujets)
Sujet âgé , Femelle , Humains , Biopsie , Diagnostic différentiel , Fatigue , Maladie de Hodgkin , Poumon , Noeuds lymphatiques , Lymphadénite , Lymphomes , Thorax , Tuberculose
4.
Tuberculosis and Respiratory Diseases ; : 284-287, 2010.
Article Dans Anglais | WPRIM | ID: wpr-146750

Résumé

We report the case of a 68-year-old man with a stromal tumor of uncertain malignant potential (STUMP), which had metastasized to the lung. The patient complained of an enlarged mass in the anterior chest. Chest computed tomography (CT) showed a sternal abscess with multiple nodules in both lungs. A thoracoscopic lung biopsy of the nodules and incision/drainage of the sternal mass were performed simultaneously. CT of the pelvis revealed an enlarged prostate with irregular cystic lesions in the pelvis. Prostate biopsy was done and demonstrated hypercellular stroma with minimal cytological atypia, a distinct pattern of STUMP. The sternal abscess proved to be tuberculosis and the lung lesion was consistent with STUMP, which had spread from the prostate. However, to our knowledge, the tuberculous abscess might not be assoicated with STUMP in the lung. The patient refused surgical prostatectomy and was discharged with anti-tuberculosis medication. On one-year follow up, the patient had no evidence of disease progression.


Sujets)
Sujet âgé , Humains , Abcès , Biopsie , Évolution de la maladie , Études de suivi , Poumon , Métastase tumorale , Pelvis , Prostate , Prostatectomie , Tumeurs de la prostate , Cellules stromales , Thorax , Tuberculose
5.
The Korean Journal of Laboratory Medicine ; : 331-337, 2009.
Article Dans Coréen | WPRIM | ID: wpr-66137

Résumé

BACKGROUND: We compared two automated Rapid Plasma Reagin (RPR) assay kits with a manual RPR assay kit to evaluate the possibility of using the two automated RPR assays as an alternative to the manual RPR assay for a quantitative monitoring. METHODS: One hundred eighty-five samples were analyzed, including 16 sera from patients with primary, secondary, and latent syphilis. Measured RPR unit (R.U.) values of two automated RPR assay kits, Mediace RPR (Sekisui Chemical Co., Ltd, Japan) and HBi Auto RPR (HBI Co., Ltd, Korea), were compared with the RPR titers of Macro-Vue RPR card test (Becton Dickinson BD Microbiology systems, USA). As a confirmatory test, Anti-Treponema pallidum EUROLINE WB (IgG) and Anti-Treponema pallidum EUROLINE WB (IgM) (Euroimmun, Germany) were used. RESULTS: There was a prozone effect with Mediace RPR at RPR titer (card test) of 1:16, but not with HBi Auto RPR. The R.U. values of the two automated RPR assays did not show proportional increase to the RPR titer. Agreement between manual RPR and two automated RPR assay kits, Mediace RPR assay and HBi Auto RPR assay, were 83.8% and 83.2%, respectively. CONCLUSIONS: The two automated RPR assay kits could not be used as an alternative to manual RPR test for quantitative analysis of RPR titer. As Mediace RPR shows a prozone effect at relatively low RPR titer, caution is needed in the interpretation of the measured values.


Sujets)
Femelle , Humains , Mâle , Automatisation , Trousses de réactifs pour diagnostic , Réagines/sang , Sensibilité et spécificité , Syphilis/diagnostic , Sérodiagnostic de la syphilis/méthodes , Treponema pallidum
6.
Korean Journal of Urology ; : 154-158, 2009.
Article Dans Coréen | WPRIM | ID: wpr-212496

Résumé

PURPOSE: Subclinical prostatitis is a very frequent histologic finding in pathological examinations of prostate surgery specimens. We evaluated the correlation between the symptoms of benign prostatic hyperplasia (BPH) and the grades of inflammation in surgical specimens of patients who had undergone operation for BPH without any evidence of clinical prostatitis. MATERIALS AND METHODS: Seventy five patients with BPH, who had gone through transurethral resection of the prostate (TURP) at our department from March 2004 to May 2007, were retrospectively studied. Of the 75 patients, 57 patients were pathologically diagnosed as having a BPH with prostatitis and 18 patients had the only BPH (group G0). Chronic inflammation was graded as I (group G1: scattered inflammatory cell infiltrate within the stroma without lymphoid nodules), II (group G2: nonconfluent lymphoid nodules) or III (group G3: large inflammatory areas with confluence of infiltrate). The serum prostate-specific antigen (PSA) level, PSA density (PSAD), International Prostate Symptom Score (IPSS) and maximum urinary flow rate were compared among the grades of inflammation. RESULTS: In the patients had undergone TURP, prostatic inflammation was found in 76% (57/75). The storage symptoms of IPSS and PSAD were significantly correlated to the extent of inflammation in each groups (p<0.05). No significant correlations were observed between PSA, size of prostate, voiding symptoms, quality of life (QoL) of IPSS, and maximum urinary flow rate. CONCLUSIONS: The extent of chronic inflammation had considerably more relationship with storage symptoms than voiding symptoms and with the increased PSAD. These findings suggest that the subclinical prostatitis may be one of the factors of storage symptoms of BPH patients and postoperative maintained lower urinary tract symptoms.


Sujets)
Humains , Inflammation , Symptômes de l'appareil urinaire inférieur , Prostate , Antigène spécifique de la prostate , Hyperplasie de la prostate , Prostatite , Qualité de vie , Études rétrospectives , Résection transuréthrale de prostate
7.
Tuberculosis and Respiratory Diseases ; : 369-373, 2009.
Article Dans Anglais | WPRIM | ID: wpr-190764

Résumé

Malignant mesothelioma is the most common primary malignant tumor involving pleura, but its diagnosis is difficult to determine by pathology in addition to the fact that it is rare. We present an unusual case of malignant mesothelioma, which initially presented as large neck mass contrary to the more common presentation of a rind like growth along the pleura demonstrated on imaging and by pathologic findings.


Sujets)
Mésothéliome , Cou , Plèvre
8.
Journal of Breast Cancer ; : 213-217, 2008.
Article Dans Coréen | WPRIM | ID: wpr-97013

Résumé

Malignant fibrous histiocytoma is the most common form of soft tissue sarcoma during middle and late adulthood in the deep connective tissues of the extremities, abdominal cavity, and retroperitoneum. Primary breast sarcoma is a rare disease entity, comprising less than 1% of all breast malignancies. Malignant fibrous histiocytoma of the breast is very rare. We presented one case of a malignant fibrous histiocytoma of the right breast in a 49-year-old woman and report the case with a review of the literature.


Sujets)
Femelle , Humains , Adulte d'âge moyen , Cavité abdominale , Région mammaire , Tissu conjonctif , Membres , Histiocytome fibreux bénin , Histiocytome fibreux malin , Maladies rares , Sarcomes
9.
The Korean Journal of Gastroenterology ; : 40-44, 2008.
Article Dans Coréen | WPRIM | ID: wpr-182644

Résumé

The most common metastatic sites of gastric cancer are liver, lung, bone and adrenal gland. However, skin metastases from gastric cancer are relatively rare. We herein report a case of advanced gastric cancer with perianal skin metastasis in a 70-year-old male. On admission, patient presented with epigastric pain. Endoscopy and abdominal CT scan demonstrated the stage IV gastric cancer. He had one painless nodule on perianal skin area, biopsy of that lesion showed a feature of poorly differentiated adenocarcinoma clinically from the stomach. We suspected that the perianal lesion was originated from gastric cancer.


Sujets)
Sujet âgé , Humains , Mâle , Canal anal , Stadification tumorale , Tumeurs cutanées/diagnostic , Tumeurs de l'estomac/diagnostic
10.
Korean Journal of Obstetrics and Gynecology ; : 1550-1554, 2008.
Article Dans Coréen | WPRIM | ID: wpr-29188

Résumé

Endometriosis is defined as condition, which is ectopic location of endometrial tissue other than uterus and cause many clinical symptoms. Among extrapelvic endometriosis, scar endometriosis secondary to surgery or procedure is very rare condition. We have experienced one interesting case of endometrioma in uterine wall cesarean section scar. The diagnosis was confirmed by histopathologic examination of the scar tissue taken after total abdominal hysterectomy.


Sujets)
Femelle , Grossesse , Césarienne , Cicatrice , Endométriose , Utérus
11.
Journal of Breast Cancer ; : 151-155, 2008.
Article Dans Coréen | WPRIM | ID: wpr-205804

Résumé

Intracystic papillary carcinoma of the breast is a variant of ductal carcinoma in situ (DCIS) characterized by the presence of papillary carcinoma within a cystically dilated duct. DCIS of the male breast is an uncommon disease, accounting for approximately 7% of all male breast carcinomas. Most DCIS in men is of the papillary type. We experienced one case of intracystic papillary carcinoma in the right breast of a 49-yr-old male and report the case with a review of the literature.


Sujets)
Humains , Mâle , Comptabilité , Région mammaire , Tumeur du sein de l'homme , Carcinome intracanalaire non infiltrant , Carcinome papillaire , Néoplasie endocrinienne multiple de type 1
12.
Korean Journal of Obstetrics and Gynecology ; : 1027-1032, 2007.
Article Dans Coréen | WPRIM | ID: wpr-116327

Résumé

Abdominal pregnancy, a rare type of ectopic pregnancy is difficult to be suspected at its first presentation. The diagnosis of this rare disease may often be delayed, since early symptoms are usually non-specific. In some cases, delayed diagnosis of abdominal preganacy can be associated with catastrophic hemorrhage secondary to placental separation. A 24-year old woman visited our emergency unit, presenting with a sudden-onset low abdominal pain. She had undergone uterine curettage 3 weeks before. Transvaginal sonogram of the cul-de-sac revealed complex fluid consistent with blood. On diagnostic laparoscopic operation, we found a ruptured cystic, conception-like structure near the right uterosacral ligament. Histology of the resected structure finally showed chorionic villi consistent with abdominal pregnancy. In this report, we present an unusual case of abdominal pregnancy. This case underscores the careful ultrasonic determination of gestational location at early pregnancy.


Sujets)
Femelle , Humains , Grossesse , Jeune adulte , Douleur abdominale , Villosités choriales , Curetage , Retard de diagnostic , Diagnostic , Service hospitalier d'urgences , Hémopéritoine , Hémorragie , Ligaments , Grossesse abdominale , Grossesse extra-utérine , Maladies rares , Science des ultrasons
13.
Journal of Laboratory Medicine and Quality Assurance ; : 181-185, 2007.
Article Dans Coréen | WPRIM | ID: wpr-47774

Résumé

BACKGROUND: Plastic tubes have recently been used for blood collection tubes in clinical laboratories. The silicone coated plastic tube is said to be very similar with the glass tube and to show no difference with the glass tube in routine blood test except for some tests such as hormone tests and drug monitoring. So, we investigated the influence of plastic tube on the thyroid hormone test using two types of plastic vacuum tubes. METHODS: A total of 105 cases for the total triiodothyronine (T3), total thyroxine (T4), and thyroid stimulating hormone (TSH) were studied. The glass tube was a plain glass tube, and the plastic tube was a serum separator tube with gel. The plastic vacuum tubes used in this study were the SST II plus tube (Becton Dickinson, Franklin Lakes, USA) and the Vacuette tube (Greiner Bio-One, Kremsmunster, Austria). An IMMULITE 2000 analyzer (Diagnostic Products Corporation, Los Angeles, USA) was used to measure the total T3, total T4 and TSH. RESULTS: Comparisons of the measured values within 1 hour of blood collection in the plastic tube with that in the glass tube are as follows. There was no difference between the Vacuette tube and the glass tube for the three tests, while there was statistically significant difference between the SST II plus tube and the glass tube for the total T3 and total T4. CONCLUSIONS: It might need more cautious interpretation of the results by a solid-phase, competitive chemiluminescent enzyme immunoassay, when the plastic vacuum tube is used as a blood collection tube instead of the glass tube.


Sujets)
Surveillance des médicaments , Verre , Tests hématologiques , Techniques immunoenzymatiques , Lacs , Matières plastiques , Silicone , Glande thyroide , Thyréostimuline , Thyroxine , Tri-iodothyronine , Vide
14.
Korean Journal of Gastrointestinal Endoscopy ; : 196-200, 2007.
Article Dans Coréen | WPRIM | ID: wpr-147162

Résumé

Hyperplastic polyps occur either sporadically or as a symptom of polyposis syndrome. When individuals exceed 50 polyps, they are diagnosed with hyperplasic polyposis. Moreover, since such cases are even more sporadic than hyperplastic polyps, the course toward this occurrence has not been properly evaluated. A change to malignancy in hyperplastic polyps is rare; however, when multiple lesions are present, the tendency increases. Colorectal polyposis syndromes with gastric polyps include familial adenomatous polyposis, Gardners syndrome, Peutz-Jeghers syndrome, juvenile polyposis and others with a non-genetic origin. Three cases of multiple colorectal hyperplastic polyposis with gastric hyperplastic polyposis have been reported worldwide; however, a case associated with multiple colonic adenomas has not yet been reported. This study reviews the existing literature and reports our recent experience of a case, in which a 53 year-old man with colorectal and gastric hyperplastic polyposis with associated multiple colonic adenomas.


Sujets)
Humains , Adulte d'âge moyen , Adénomes , Polypose adénomateuse colique , Côlon , Syndrome de Gardner , Hyperplasie , Syndrome de Peutz-Jeghers , Polypes
15.
Journal of Laboratory Medicine and Quality Assurance ; : 239-245, 2007.
Article Dans Coréen | WPRIM | ID: wpr-151780

Résumé

BACKGROUND: Many modern chemistry analyzers are open systems and they can use reagents other than those supplied by the manufacturer of the analyzer. There are many generic reagents for use in open systems. The objective of this study was to evaluate the analytical performance of the BD Lab reagents (BD Lab co., Korea) which were generic reagents. METHODS: Sixteen kinds of reagents of total protein, albumin, blood urea nitrogen (BUN), creatinine, glucose, uric acid, aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin, alkaline phosphatase (ALP), lactate dehydrogenase (LD), gamma glutamyl transferase (GGT), calcium, inorganic phosphorus, total cholesterol, triglycerides were tested for precision, linearity and correlation according to the NCCLS guidelines (EP5-A, EP6-A, EP9-A2). Toshiba 200-FR Neo (Toshiba Medical Systems Co., Japan) was used in this evaluation. RESULTS: All reagents showed acceptable precision with total coefficients of variation less than 7%. Comparison of BD Lab reagents with the current reagents by regression analysis resulted in slopes ranging from 0.86 to 1.06 and correlation coefficients more than 0.975. Fifteen of sixteen reagents showed good linearity in broad range. CONCLUSIONS: BD Lab reagents showed good precision, linearity, and correlation. Therefore, we conclude that the BD Lab reagents can be an alternative of currently used reagents in chemistry analyzers.


Sujets)
Alanine transaminase , Phosphatase alcaline , Aspartate aminotransferases , Bilirubine , Azote uréique sanguin , Calcium , Chimie , Cholestérol , Créatinine , Glucose , Indicateurs et réactifs , L-Lactate dehydrogenase , Phosphore , Transferases , Triglycéride , Acide urique
16.
Journal of Laboratory Medicine and Quality Assurance ; : 239-244, 2006.
Article Dans Coréen | WPRIM | ID: wpr-167580

Résumé

BACKGROUND: Serum separator tubes were introduced 25 years ago and are widely used in the clinical laboratory for collection of blood. Recently, the plastic serum separator tube has become available for blood collection for lightening and flexibility and suitability for automation. However few studies have been reported on stability of the common analytes in this tube. METHODS: We evaluated the concentrations of seventeencommonly ordered analytes: aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), total protein, albumin, sodium, chloride, calcium, phosphorus, triglyceride, low density lipoprotein (LDL)-cholesterol, potassium, uric acid, blood urea nitrogen (BUN), total cholesterol, glucose, creatinine in sera separated in plain glass tubes (no gel) and in sera separated in the plastic Greiner Bio-One Vacuette tubes containing serum separator gel (Greiner Bio-One, Kremsm?nster, Austria) by Toshiba 200-FR Neo. RESULTS: Results were analyzed using two-tailed paired t-tests and Bland-Altman plots. Results from 9 common analytes (glucose, total cholesterol, BUN, potassium, LDL-cholesterol, inorganic phosphorus, calcium, sodium, chloride) were statistically different between glass tube and plastic Greiner Bio-One Vacuette tube, but the differences were not considered to be clinically significant. CONCLUSIONS: We conclude that the plastic Greiner Bio-One Vacuette tubes are suitable for collection of blood and storage of serum for common analytes.


Sujets)
Alanine transaminase , Phosphatase alcaline , Aspartate aminotransferases , Automatisation , Azote uréique sanguin , Calcium , Chlorure de calcium , Chimie clinique , Cholestérol , Créatinine , Verre , Glucose , Lipoprotéines , Phosphore , Matières plastiques , Flexibilité , Potassium , Sodium , Triglycéride , Acide urique
17.
Tuberculosis and Respiratory Diseases ; : 670-673, 2005.
Article Dans Coréen | WPRIM | ID: wpr-31097

Résumé

An 81-year-old man underwent bronchoscopy to investigate the cause of his dyspnea symptoms. A benign natured mass was observed in the bronchus and was excised. The pathology examination revealed a fibroepithelial polyp. He has been asymptomatic since the simple bronchoscopic excision. A fibroepithelial polyp is a benign tumor with a mesodermal origin. It is commonly found in the skin, urogenital area and chest, but is extremely rare in the respiratory system. We report a case of a fibroepithelial polyp in the bronchus, which was treated with a bronchoscopic excision, with a brief review of the relevant literature.


Sujets)
Sujet âgé de 80 ans ou plus , Humains , Bronches , Bronchoscopie , Dyspnée , Mésoderme , Anatomopathologie , Polypes , Appareil respiratoire , Peau , Thorax
18.
Korean Journal of Urology ; : 770-772, 2005.
Article Dans Coréen | WPRIM | ID: wpr-61275

Résumé

Variable clinical manifestations and the unpredictable biological behavior of renal cell carcinomas are well known. About a third of patients have metastasis by the time they are first seen by a physician, most commonly to the lung, frequently to the bone and/or liver and less commonly to a virtually unlimited range of tissues and organs. Vaginal cancer represents approximately 1-3% of all genital tract malignancies, and most cases present as metastasis from the cervix, endometrium or colon. Vaginal metastasis from a renal cell carcinoma can be confused with a primary vaginal clear cell carcinoma, and metastasis of a renal cell carcinoma to the vagina is extremely rare. Here, we report a case of a renal cell carcinoma, detected by a metastatic vaginal mass.


Sujets)
Femelle , Humains , Néphrocarcinome , Col de l'utérus , Côlon , Endomètre , Foie , Poumon , Métastase tumorale , Vagin , Tumeurs du vagin
19.
Journal of Korean Medical Science ; : 790-805, 2005.
Article Dans Anglais | WPRIM | ID: wpr-176546

Résumé

The extent of unilateral chromosomal losses and the presence of microsatellite instability (MSI) have been classified into high-risk (high- and baseline-level loss) and low-risk (low-level loss and MSI) stem-line genotypes in gastric carcinomas. A unilateral genome-dosage reduction might stimulate compensation mechanism, which maintains the genomic dosage via CpG hypomethylation. A total of 120 tumor sites from 40 gastric carcinomas were examined by chromosomal loss analysis using 40 microsatellite markers on 8 chromosomes and methylation analysis in the 13 CpG (island/non-island) regions near the 10 genes using the bisulfite-modified DNAs. The high-level-loss tumor (four or more losses) showed a tendency toward unmethylation in the Maspin, CAGE, MAGE-A2 and RABGEF1 genes, and the other microsatellite-genotype (three or fewer losses and MSI) toward methylation in the p16, hMLH1, RASSF1A, and Cyclin D2 genes (p<0.05). The non-island CpGs of the p16 and hMLH1 genes were hypomethylated in the high-level-loss and hypermethylated in the non-high-level-loss sites (p<0.05). Consequently, hypomethylation changes were related to a high-level loss, whereas the hypermethylation changes were accompanied by a baseline-level loss, a low-level loss, or a MSI. This indicates that hypomethylation compensates the chromosomal losses in the process of tumor progression.


Sujets)
Humains , Aberrations des chromosomes/statistiques et données numériques , Cartographie chromosomique/méthodes , Ilots CpG/génétique , Méthylation de l'ADN , Analyse de mutations d'ADN/méthodes , France/épidémiologie , Prédisposition génétique à une maladie/épidémiologie , Dépistage génétique/méthodes , Instabilité du génome/génétique , Incidence , Corée/épidémiologie , Répétitions microsatellites/génétique , Polymorphisme génétique , Appréciation des risques/méthodes , Facteurs de risque , Statistiques , Tumeurs de l'estomac/enzymologie
20.
Journal of Korean Medical Science ; : 763-767, 2004.
Article Dans Anglais | WPRIM | ID: wpr-123113

Résumé

Gastrointestinal stromal tumors (GISTs) of the gallbladder are representative of an extremely rare group of tumors. We have encountered a patient with a malignant GIST of the gallbladder and presented it with a review of some articles. A 72-yr-old woman initially presented with right upper quadrant abdominal pain, fever and chills. Emergency cholecystectomy was performed under the impression of gallbladder empyema. Liver metastasis was found at 7 months postoperatively and the patient expired 9 months after the surgery. At the time of cholecystectomy, the gallbladder showed a necrotic serosal surface with an irregular thickened wall. A mass, 6 cm in length and 3 cm in width, encircled the whole wall of the neck and upper body of the gallbladder. Microscopic findings revealed frequent mitotic figures (more than 20/50 HPF) and tumor necrosis. Hyperchromatic, pleomorphic and spindle shaped neoplastic cells that were arranged in a pattern of short fascicles infiltrated the entire layer of the gallbladder. The tumor cells were immunoreactive for CD117 antigen (c-kit protein) and vimentin. They were negative for desmin, smooth muscle actin and S-100 protein. Mutations of the c-kit proto-oncogene were not found in this case. These findings were sufficient to provide enough clinical, histopathological and immunohistochemicalevidence in diagnosing our case as a malignant GIST.


Sujets)
Sujet âgé , Femelle , Humains , Tumeurs de la vésicule biliaire/génétique , Tumeurs stromales gastro-intestinales/génétique , Protéines proto-oncogènes c-kit/génétique
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