1.Role of Photodynamic Therapy in the Palliation of Obstructing Esophageal Cancer.
Hyeon Young YOON ; Young Koog CHEON ; Hye Jin CHOI ; Chan Sup SHIM
The Korean Journal of Internal Medicine 2012;27(3):278-284
BACKGROUND/AIMS: The aim of this non-randomized study was to determine the role of photodynamic therapy (PDT) in a multimodal approach for the palliation of advanced esophageal carcinoma. METHODS: Twenty consecutive patients with obstructing esophageal cancer were enrolled in this study. Each subject had dysphagia, and nine could not swallow fluid. External beam radiotherapy or a self-expandable metal stent was used following PDT for dysphagia due to recurrence of the malignancy. RESULTS: At 4 weeks post-PDT, a significant improvement in the dysphagia score was observed in 90% of patients, from 2.75 +/- 0.91 to 1.05 +/- 0.83 (p < 0.05). Patients with recurrent dysphagia underwent stent insertion at an average of 63 days (range, 37 to 90). The rate of major complications was 10%. Two esophageal strictures occurred, which were treated by placement of a modified expandable stent across the stricture. The median survival in these cases was 7.0 +/- 0.6 months. One patient that was treated with PDT and radiotherapy is alive and showed a complete tumor response. CONCLUSIONS: PDT as a multimodality treatment is safe and effective for relieving malignant esophageal obstruction with minimal complications.
Adenocarcinoma/complications/mortality/*therapy
;
Aged
;
Aged, 80 and over
;
Biopsy
;
Carcinoma, Squamous Cell/complications/mortality/*therapy
;
Deglutition Disorders/etiology/*therapy
;
Esophageal Neoplasms/complications/mortality/*therapy
;
Esophageal Stenosis/etiology/*therapy
;
Esophagoscopy
;
Female
;
Humans
;
Kaplan-Meier Estimate
;
Male
;
Metals
;
Middle Aged
;
*Neoplasm Recurrence, Local
;
Palliative Care
;
*Photochemotherapy/adverse effects
;
Prospective Studies
;
Prosthesis Design
;
Radiotherapy, Adjuvant
;
Stents
;
Time Factors
;
Treatment Outcome
2.A Comparative Analysis of the Preoperative Chemoradiation Versus Radiation only for Mid and Lower Rectal Cancer.
Je Ryong KIM ; Jae Sung KIM ; Wan Hee YOON
Journal of the Korean Society of Coloproctology 1998;14(3):349-358
This study was designed to evaluate the worth of preoperative chemoradiation therapy in the management of locally advanced rectal cancer. Between march 1993 and January 1997, 64 patients with adenocarcinoma of the rectum were treated with preoperative irradiation followed by operation by one surgeon at department of surgery, Chungnam national university hospital. Cancers were treated with high-dose radiation (45 to 54 Gy) with (group 2) or without (group 1) chemotherapy Preoperatively 64 Patients were analysed prospectively, of these, 15 cases were preoperative radiotherapy alone arm and 49 cases were preoperative radiotherapy plus chemotherapy arm. The average age of the patients were 56 years (range 38~67) in group 1 and 57 years (range 27~80) in group 2. Male to female ratio was 8 : 7 in group 1 and 30 : 19 in group 2. Most clinical stage of the primary tumor mass were 73 (80% in Group 1,96% in group 2), being palpated slightly fixed (40% in group 1, 43% in group 2) or fixed (13.3% in group 1, 24.5% in group 2). As to distance of tumor from anal verge, most patients ranged from 4 to 8 cm (53% in group 1, 63.3% in Group 2). Chemotherapy consisted of 2 cycles of 5-fluorouracil (500 mg/m2/day for S days) delivered as a continuous infusion or bolus therapy and low-dose leukovorin (20 mg/m2/day for 5 days). After six weeks resting period of radiation, definitive surgical approach was performed. Overall treatment related toxicity rate was similar in both group except erythema on perineal skin, which was more frequent in group 2 than in group 1. Most frequent postoperative complication was intestinal obstruction (7.8%) followed by wound infection (6.3%), but there was no significant difference between two groups. There was one case of postoperative mortality in group 2 patients at 44 days after operation due to pneumonia and sepsis combined with liver cirrhosis. Tumor depth was downstaged in 38.5% of group 1 and 70% of group 2 patients on preoperative CT staging, and nodal downstaging was more effective on the respect of postoperative pathological report. Overall recurrence rate was 38.5% in group 1 and 20.5% in group 2. Of these, failure occured first as a distant metastasis more frequently than as a local recurrence in both group. These data do suggest that the preoperative chemotherapy and radiotherapy used are as safe as preoperative radiotherapy alone. Futhermore, tumor and lymph node downstaging are more effective in combined arm. Preoperative chemotherapy will more promising in prevention of distant metastasis when treated in the period of least metastatic tumor burden. Whether combined arm will have greater or lesser survival awaits the completion of this relevant study.
Adenocarcinoma
;
Arm
;
Chungcheongnam-do
;
Drug Therapy
;
Erythema
;
Female
;
Fluorouracil
;
Humans
;
Intestinal Obstruction
;
Leucovorin
;
Liver Cirrhosis
;
Lymph Nodes
;
Male
;
Mortality
;
Neoplasm Metastasis
;
Pneumonia
;
Postoperative Complications
;
Prospective Studies
;
Radiotherapy
;
Rectal Neoplasms*
;
Rectum
;
Recurrence
;
Sepsis
;
Skin
;
Tumor Burden
;
Wound Infection