International Journal of Surgery Case Reports 15 (2015) 137-139
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International Journal of Surgery Case Reports
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INTERNATIONAL JOURNAL OF SURGERY CASE REPORTS
Adrenocortical carcinoma with inferior vena cava, left renal vein and right atrium tumor thrombus extension
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Pronio Annamaria a,*, Piroli Silviaa, Ciamberlano Bernardoª, De Luca Alessandroª, Marullo Antoninob, Barretta Antonioc,*, Mazzesi Giuseppeª, Rossi Massimoª, Chiara Montesania
a Department of Surgery and Organ Transplant “Paride Stefanini” - Sapienza University, Roma, Italy
b Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
” Department of Cardiovascular, Respiratory, Nephrological, Anesthesiological, and Geriatric Sciences, Sapienza University of Rome, Italy
ARTICLE INFO
Article history: Received 28 April 2015 Received in revised form 7 July 2015 Accepted 7 July 2015 Available online 18 July 2015
Keywords: Adrenocortical carcinoma Thrombus
Invasion Inferior vena cava
ABSTRACT
INTRODUCTION: Adrenocortical carcinoma (ACC) is a rare, but highly aggressive type of tumor with an annual incidence of 1-2 cases per million. The prognosis is poor with a five-year overall survival rate of ~35%. The poor prognosis may be related to the advanced stage at which the majority of ACCs are detected. Complete surgical resection remains the most effective treatment.
PRESENTATION OF THE CASE: A 51-year-old female patient with recent onset of dyspepsia, ascites and peripheral edema was referred to our institution. Computed tomography (CT) and Magnetic Resonance Imaging (MRI) displayed a 8 cm Ø right adrenal mass. Moreover a tumor thrombus jutted out into the IVC, left renal vein and right atrium. An echocardiographic evaluation confirmed the presence of the tumor thrombus in the right atrium. The patient underwent adrenalectomy with removal of its intravascular extension with the assistance of cardiopulmonary bypass and hypothermia.
DISCUSSION: ACC is a rare malignancy and ACC with tumor thrombus extension is a rare presentation. Patients can present with a variety of sign and symptoms, depending on the extent of the tumor. CT scan of chest and abdomen represents the gold standard in ACC staging while magnetic resonance imaging (MRI) is preferred for tumor thrombus characterization. Complete surgical resection with a negative margin, R0 resection, is the only curative option for localized disease. Kidney sparing surgery should be performed when possible.
CONCLUSION: We present a rare case of Adrenocortical carcinoma with tumor thrombus extending into the IVC and right atrium. Complete resection with negative margins represents the best therapeutic chance for these patients.
@ 2015 Published by Elsevier Ltd. on behalf of Surgical Associates Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
1. Introduction
Adrenocortical carcinoma (ACC) is a rare, but highly aggressive type of tumor with an annual incidence of 1-2 cases per million [1-3]. Furthermore, a higher incidence of ACC has been reported in females. ACC behave a bimodal age distribution with two peaks: the first, concerning children in the first decade of life and the other regarding adults in the fourth to fifth decades of life [4-6]. The prognosis is poor with a five-year overall survival rate of ~35%. These low survival rates are in part related to the advanced stage of ACCs detection. Complete surgical resection remains the most
effective treatment and, along with an early staging, is among the strongest predictors of overall survival. Up to 40% of adrenal tumors are nonfunctional with late clinical manifestation during the course of disease as a large mass causing early satiety, weight loss, or abdominal pain [7]. The general surgical strategy for ACC is “en bloc” resection, which often includes adjacent organs like kidney, liver, pancreas, spleen, or bowel. Vena cava invasion, which qual- ifies ACC as stage III disease, occurs most commonly with larger, right-sides tumors. Infrequently, tumor thrombus can extend to the renal vein, IVC and right atrium without invading the vascu- lar endothelium. In these cases, extensive thrombectomy has been advocated [8-9]. Herein, we report a rare case of ACC with inferior vena cava and left renal vein involvement plus an additional right atrium tumor thrombus extension in a female patient.
* Corresponding author at: Department of Surgery and Organ Transplant “ Paride Stefanini” University of Roma, ” Sapienza” Policlinico Umberto I, Viale del Policlinico 155, 00161 Rome, Italy.
E-mail address: annamaria.pronio@uniroma1.it (P. Annamaria).
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2. Case report
A 51-year-old female patient with a family history of renal cell carcinoma and retroperitoneal carcinoma was admitted to our institution for a recent onset of dyspepsia, ascites and peripheral edema. Laboratory values for plasma free metanephrines, aldos- terone, potassium, and testosterone were all within normal range. CT scan and MRI displayed a 8 cm Ø, right adrenal mass. A throm- bus extended into the IVC, left renal vein and right atrium. An echocardiographic evaluation confirmed the presence of the tumor thrombus in the right atrium. Since the symptoms of the patient worsened, the patient underwent urgent adrenalectomy with the assistance of cardiopulmonary bypass and hypothermia with full removal of its intravascular extension. The surgery required the collaboration of the general surgery team and the cardiothoracic one
The right atrium was opened and by direct visualization the tumor thrombus was completely removed by the atrium and by the IVC (Figs. 1 and 2). The procedure was completed as usual without complications, the postoperative course was uneventful and the patient was discharged on postoperative day 10 with- out morbidity. The histopathology confirmed the diagnosis of ACC with tumor thrombosis of IVC, left renal vein and right atrium. The patient receive adjuvant mitotane therapy post operatively [13,14]. At the follow up time of 12 months, the patients remains free of local/systemic recurrence.
3. Discussion
ACC is a rare malignancy and ACC with tumor thrombus exten- sion is a rare presentation of this pathology [1-3]. Patients can present with a variety of sign and symptoms, depending on the extent of the tumor. CT scan of the chest and the abdomen is rep- resents to date, the gold standard for ACC staging. With regards to the tumor thrombus, magnetic resonance imaging (MRI) represents the better imaging modality in order to assess the extension and the features of the thrombus. Complete surgical resection with a neg- ative margin, R0 resection, is the only curative option for localized disease [5]. The presence of a thrombus represent an additional risk factor due to the supplementary complexity of the surgery. Accordingly for tumors extending into the atrium, the institution of a cardiopulmonary bypass as well as a cardiothoracic surgical assistance is mandatory [9-12]. Kidney sparing surgery should be performed when possible, reserving en bloc nephrectomy only in the case of renal invasion. Yet, even with an RO resection, 50-80% of patients develop relapse and/or progression to metastatic disease.
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The role of surgery in patients with recurrent and metastatic dis- ease remains controversial. A recent study by Erdogan et al., [15] compared clinical outcomes in ACC relapsing patients who under- went surgery with relapsing patients who did not. They concluded that progression-free survival was improved if the time elapsed from the first relapse was greater than 12 months and if patients were suitable to undergo an R0 resection for their recurrence. Although a debulking surgery, R2 resection, did not significantly improve progression-free survival. In this case, we accomplished a R0 resection withanaggressive approachleading to a 12monthsur- vival in absence of any signs of recurrence and with a good quality of life. This confirms that aggressive surgery should be considered even in the setting of most advanced ACCs probably offering the only chance of survival for this aggressive tumor.
4. Conclusion
Given the current and predicted impact of ACCs, although our results have been obtained on a single patient and thus need to be confirmed on a wider sample, they prompt us to suggest a meditation concerning the indication for an aggressive surgical intervention. Since the long-term survival and remission are closely related to the stage of the disease, complete resection with nega- tive margins thus represents, to date, the best chance of cure for the patient prolonging and improving their quality of life.
Conflict of interest
None.
P. Annamaria et al. / International Journal of Surgery Case Reports 15 (2015) 137-139
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