Abstract
Introduction
Intravascular lobular capillary haemangioma is a rare benign intravascular tumour, especially in large vessels. This is the report of a case and associated literature review.
Report and literature review
This is the report of the first case of an intravenous lobular capillary haemangioma (ILCH) of the superior vena cava (SVC). A 30 year old female presented with a collateral thoraco-abdominal venous circulation. Chest computed tomography angiography, thoracic magnetic resonance imaging, and positron emission tomography revealed an intraluminal SVC tumour extending from the left brachiocephalic venous trunk to the distal third of the SVC. No pre-operative biopsy was indicated. An en bloc tumour excision was performed, followed by reconstruction of the SVC with an L shaped, ringed polytetrafluoroethylene (PTFE) prosthesis. Histopathology revealed the presence of an ILCH with free margins. A review of the literature identified 64 cases of ILCH to date, all of which underwent total resection. When reported, no recurrences were found during follow up.
Discussion
In this case, the ePTFE reconstruction of the SVC must be checked regularly for any adverse events. Although ILCH is a benign tumour with no risk of recurrence, regular surveillance is advised.
Highlights
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Report of the first case of intraluminal capillary haemangioma involving the superior vena cava.
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Literature review of intraluminal capillary haemangioma.
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Successful en bloc tumour excision followed by an L shaped prosthetic repair.
Introduction
Primary vascular tumours of the vena cava are rare and occur mainly in the inferior vena cava (IVC). The ISSVA Classification describes two main types of malignant vascular tumours: angiosarcoma, (mainly leiomyosarcoma, generally in the IVC, none in superior vena cava [SVC]) and epithelioid haemangio-endothelioma. Lobular capillary haemangioma (LCH), also known as pyogenic granuloma, is one of the many benign vascular tumours. It occurs mainly in the skin and subcutaneous tissue of the upper limb, neck, and head. Intravascular lobular capillary haemangioma (ILCH) is a subtype of LCH and only few cases have been reported in the literature.1,2
This is the first case of intravenous lobular capillary haemangioma in the superior vena cava (SVC) reported in the literature. A technique is described for reconstruction of the SVC using an inverse L shaped synthetic graft, after an en bloc resection of the tumour.
Case report
A 30 year old female, without significant medical history, presented with recent aggravation of a thoraco-abdominal venous circulation developed during her pregnancy, five years earlier. She had no other complaint or symptom. Clinical abdominal and cardiovascular examinations did not reveal any specific clinical signs of portal hypertension or SVC syndrome.
Duplex ultrasound (DUS) showed dilatation of collateral veins, while the IVC was patent. Chest computed tomography angiography (CTA) (Revolution Evo G.E. Medical, Chicago, IL, USA) demonstrated an intraluminal heterogeneous mass in the SVC, extending from the left brachiocephalic venous trunk to the distal third of the SVC (Fig. 1A). No other mass or adenopathy was present. Thoracic magnetic resonance imaging (Ingenia Philips 3T, Eindhoven, the Netherlands) confirmed the intraluminal SVC location of the tumour, measuring 80 × 33 mm, with a cystic portion demonstrating heterogeneous T1 weighted and T2 weighted signal (Fig. 1B and C). The azygos vein had not been invaded. Positron emission tomography (Vision Siemens, Munich, Germany) demonstrated moderate fluorodeoxyglucose enhancement (SUV max: 4.8). Transthoracic sonography confirmed no extension into the right atrium. The oncology multidisciplinary staff reviewed the preliminary findings and suspected a primary SVC tumour or SVC thrombosis. A direct biopsy was too risky in terms of spread if malignant, and an endovascular biopsy would not have been sufficient. It was decided to perform surgical resection without radiotherapy or chemotherapy.
Surgery consisted of an en bloc resection of the tumour through a median sternotomy. The SVC was resected from its junction with the right atrium without myocardial breach and taking both left and right brachiocephalic veins. The venous reconstruction consisted of a 16 mm diameter, ringed, expanded polytetrafluoroethylene (ePTFE) prosthesis (Gore-Tex, W.L. Gore & Associates, Flagstaff, AZ, USA) sutured distally to the right atrium junction and proximally, perpendicularly on an 8 mm diameter ringed ePTFE prosthesis, connecting both right and left venous confluences (Fig. 2A). There was no need for cardiopulmonary bypass during the intervention. A left brachiobasilic fistula was created to increase blood flow and avoid thrombosis of the prosthesis. The post-operative course was complicated by a pericardial effusion with signs of right heart failure, without any complications of the venous reconstruction. A pericardial drain was placed as an emergency. The patient was discharged on day 26 with anticoagulant therapy (warfarin 7.5 mg once a day), as recommended in venous bypass. Six month DUS and CTA follow up showed graft patency. Fistula closure and anticoagulation interruption were conducted seven months post-operatively.
Pathological examination showed a tumour measuring 55 × 34 × 25 mm, filling the SVC lumen (Fig. 3A and B). Microscopic analysis identified a vascular lesion with lobular architecture, consisting of multiple capillaries lining unstratified endothelium without atypia separated by a fibro-oedematous stroma (Fig. 3C and D). Immunohistochemical analysis showed vascular markers, CD31 and ERG, characterising the endothelium. No sign of malignancy was found and the Ki67 proliferation index was low. After confirmation with the Réseau de Référence en Pathologie des Sarcomes des Tissus Mous (National French Reference Network of Soft Tissues Sarcomas), the final diagnosis was an ILCH in the SVC, also known as pyogenic granuloma.
Literature review
A systematic search was performed of the Medline database from 1979 to 2020 by a combined search strategy of MeSH terms (intravenous lobular capillary haemangioma, pyogenic granuloma). All titles and abstracts collected from the search strategy were screened for relevance. The first 20 related items of all relevant articles were scanned for other potentially relevant studies. Full texts of all relevant articles were obtained and reviewed for relevance. The reference lists of each article were scanned for other potentially relevant studies. The systematic search identified 43 full text English studies, one full text German study, and one full text Korean study, including 39 single case reports, two case series, and four reviews, corresponding to a total of 64 cases.
Ten cases (15.6%) were symptomatic, with symptoms such as abdominal pain, limb oedema, or pleural effusion, six (9.4%) were incidental findings after routine examinations, and 48 (75%) presented with nodules, pain free or not. The male/female ratio was 10:9 and the median age was 44 years old (interquartile range [IQR] 35, 51).
The treatment was not reported in two cases (3.1%). Total resection was the chosen treatment for 61 cases (98.3%), only one case (1.7%) had a biopsy and regressed spontaneously. Follow up was reported in 22 cases and all had no recurrence, from two months (see reference 30 in Supplementary material) to eight years of follow up.4
Discussion
Primary SVC tumours are rare. Three cases of epithelioid haemangio-endothelioma of the SVC and 12 leiomyosarcomas have been reported in the literature.2,3 No cases of SVC ILCH were reported.
LCH was described for the first time in 1979.4 ILCH is a rare type of LCH as, according to the present literature review, only 64 cases have been reported to date (Table 1). This benign vascular tumour is derived from endothelial cells, characterised by an anarchic capillary proliferation in a fibromyxoid oedematous stroma, with endothelial markers such as CD31 and/or CD34, or smooth muscle alpha-actin. Differential diagnoses of ILCH are other intraluminal lesions such as venous thrombosis, papillary endothelial hyperplasia, intravenous atypical vascular proliferation, histiocytoid haemangioma, and angiosarcoma.1
Table 1.
Authors, date | Sex/age | Anatomical location | Clinical data | Therapy | Outcome data |
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Cooper, 19794 | 18 cases NR |
Neck×6 Arm×2 Forearm×6 Wrist×2 Finger×2 |
Not specified | Surgical resection | No recurrence Average of follow up 8.2 y |
Ulbright, 19809 | M/12 | External jugular vein | Neck nodule | Surgical resection | No recurrence at 1 y |
Anderson, 198510 | F/62 | Palmar vein | Palmar nodule | Surgical resection | No recurrence at 21 mo |
Truong, 198511 | M/44 | Branch of angular vein | Lachrymal sac nodule | Surgical resection | No recurrence at 7 y 11 mo |
M/68 | Not precise | Inner canthus nodule | Surgical resection | No recurrence at 4 y 7 mo | |
DiFazio, 198912 | F/37 | Palmar vein | Palmar nodule | Surgical resection | No recurrence at 16 mo |
Saad, 199313 | M/35 | Left temple | Nodule | Surgical resection | NR |
Margo, 199414 | M/27 | Temporal artery | Temporal nodule | NR | NR |
Pesce, 199615 | M/20 | Lip vein | Nodule | Surgical resection | NR |
Danz, 199716 | M/79 | Portal vein | Asymptomatic – autopsy finding | NR | NR |
Hull, 199917 | M/73 | Renal vein | Asymptomatic – investigation for benign prostate hyperplasia | Total nephrectomy | NR |
Domanski, 199918 | F/15 | Neck vein | Neck nodule | Surgical resection | NR |
Sarteschi, 199919 | F/56 | External jugular vein | Neck nodule | Surgical resection | No recurrence at 2 y |
Song, 200120 | M/43 | External jugular vein | Neck nodule | Surgical resection | NR |
Qian, 200121 | F/26 | Forearm vein | Forearm nodule | Surgical resection | NR |
Hayashi, 200122 | F/35 | Thenar vein | Thenar nodule | Surgical resection | NR |
Panchagnula, 200123 | F/12 | Neck vein | Neck nodule | Surgical resection | No recurrence at 1 y 6 mo |
Kocer, 200324 | F/58 | Palm vein | Palm nodule | Surgical resection | No recurrence at 5 mo |
Ghersin, 200425 | M/21 | Basilic vein | Elbow nodule | Surgical resection | NR |
Hung, 200426 | F/44 | Palmar vein | Ulcerative nodule of the palm | Surgical resection | No recurrence at 6 mo |
Ghekiere, 200527 | M/50 | Cephalic vein | Forearm nodule | Surgical resection | NR |
Madison, 200628 | M/20 | Superficial palmar branch of radial artery | Thenar nodule | Surgical resection | NR |
Jung, 200829 | M/51 | Cephalic vein | Forearm nodule | Surgical resection | NR |
Pradhan, 200830 | F/75 | Right internal iliac vein | Abdominal pain and diarrhoea | Surgical resection | No recurrence at 2 mo |
Vijayan, 200831 | M/16 | Superficial vein | Finger nodule | Surgical resection | No recurrence at 18 mo |
Kamishima, 200932 | F/56 | Non-specified vein | Finger nodule | Surgical resection | NR |
M/66 | Non-specified vein | Finger nodule | Surgical resection | NR | |
Winn, 200933 | F/47 | Angular vein | Medial canthus nodule | Surgical resection | No recurrence |
Maher, 201034 | F/41 | External jugular vein | Supraclavicular fossa nodule | Surgical resection | NR |
Joethy, 201135 | M/32 | Non-specified | Finger nodule | Surgical resection | No recurrence at 7 mo |
Johnson, 201136 | F/12 | Finger vein | Finger swelling | Surgical resection | No recurrence at 1 ½ mo |
Wu, 201137 | F/38 | Internal jugular vein | Neck nodule | Surgical resection | No recurrence at 1 y |
Trombetta, 201138 | M/59 | Right renal vein | Incidental finding | Total nephrectomy | No recurrence at 5 mo |
Takeuchi, 201239 | F/36 | Left renal vein | Abdominal pain | Total nephrectomy | No recurrence at 4 mo |
Turtay, 201240 | M/34 | Arteriovenous fistula | Pain and swelling of ankle | Surgical resection | NR |
Ahn, 201341 | F/39 | Cephalic vein | Forearm nodule | Surgical resection | NR |
Taguchi, 201342 | M/53 | Forearm vein | Painful forearm nodule | Surgical resection | NR |
Umari, 201343 | M/50 | Renal vein | Asymptomatic – investigation benign prostate hyperplasia | Total nephrectomy | No recurrence at 9 mo |
Risio, 201344 | F/55 | Adrenal gland vein | Abdominal discomfort, anorexia, and nausea | Right adrenalectomy | Uneventful No follow up mentioned |
Cera, 201445 | M/51 | Internal jugular vein | Incidental finding | Surgical resection | Graft patency at 1 mo |
Nguyen, 201446 | F/79 | Azygos vein | Right pleural effusion | Surgical resection | NR |
Matsuzaki, 201647 | M/73 | Right subclavian vein | Right upper arm oedema | Surgical resection | No recurrence |
Gameiro, 201648 | M/54 | Penile corpus spongiosum | Nodule of penal coronal sulcus | Partial biopsy | Regression within 2 weeks No recurrence at 6 mo |
Loftus, 20172 | M/51 | Subcutaneous vein | Forearm nodule | Surgical resection | No recurrence at 10 mo |
Bongiolatti, 201849 | F/32 | Left subclavian vein | Left arm and face oedema | Surgical resection | No recurrence at 1 y |
Reimold, 201950 | F/78 | Right renal vein | Asymptomatic, routine check up | Total nephrectomy | NR |
Woo, 201951 | M/31 | Jugular vein | Neck mass | Surgical resection | No recurrence at 6 mo |
NR = not reported; y = years; F = female; M = male; mo = months.
References 9–51 are listed in Supplementary material.
Despite being a benign tumour, surgical removal of ILCH is the first choice approach to make a histological diagnosis and to prevent tumour related complications, such as SVC occlusion or thrombosis, local compression and pulmonary embolisation. As SVC resection is not a frequent procedure, the replacement strategy remains controversial. The main risk is graft thrombosis, occurring between one and five months after implantation.5, 6, 7 Long term patency rates can vary depending on graft material, length, or shape (ePTFE or a biological graft like bovine pericardium). In 2019, Maurizi et al. reported the results of SVC reconstruction with either bovine pericardial conduit (12 cases) or ePTFE grafts (13 cases). In their experience, follow up showed no statistical difference in terms of graft patency.
In this case, an ePTFE vascular graft was chosen. As shown in Fig. 2, the graft was L shaped. A left brachiobasilic fistula was created to increase blood flow and prevent graft thrombosis.
Despite the excellent long term prognosis of the benign characteristics of the tumour, immediate post-operative anticoagulant treatment and close follow up with DUS of the graft will be mandatory to assess graft patency.8
Conclusion
This case reports successful management of en bloc resection of an SVC ILCH associated with SVC prosthetic reconstruction.
Footnotes
Supplementary data to this article can be found online at https://doi.org/10.1016/j.ejvsvf.2020.12.021.
Appendix A. Supplementary data
The following is/are the supplementary data to this article:
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