|Year : 2018 | Volume
| Issue : 1 | Page : 60-65
Is multiple session of intralesional bleomycin mandatory for complete resolution of macrocystic lymphatic malformation?
Vijai Datta Upadhyaya1, Ankur Bhatnagar2, Basant Kumar1, Zafar Neyaz3, JS Kishore1, Eti Sthapak4
1 Department of Pediatric Surgery, SGPGIMS, Lucknow, Uttar Pradesh, India
2 Department of Plastic Surgery, SGPGIMS, Lucknow, Uttar Pradesh, India
3 Department of Radio Diagnosis, SGPGIMS, Lucknow, Uttar Pradesh, India
4 Department of Anatomy, RML, PGIMER, Lucknow, Uttar Pradesh, India
|Date of Web Publication||30-May-2018|
Dr. Vijai Datta Upadhyaya
Department of Pediatric Surgery, SGPGIMS, Lucknow, Uttar Pradesh
Source of Support: None, Conflict of Interest: None
Background: Intralesional bleomycin scelro-therapy has become a favored line of treatment for macrocystic lymphatic malformations. However the need for multiple sessions is a drawback associated with this treatment modality. Our aim is to document whether multiple session of intra- lesional sclero-therapy is necessary for complete resolution of cystic lymphatic malformation. Method: Intralesional bleomycin under Ultrasound guidance was used for macrocystic lymphangioma at concentration of 3mg/ml but not exceeding the total dose (1mg/kg) body weight for single session or cumulative dose of 5mg/kg. In all cases intralesional sclerosant (ILS) was installed under proper aseptic precaution in operation theatre in general anesthesia or sedation depending on the site or size of lesion and age of the patient. Age of patients at the time of enrolment in study ranged from 3 months to 18 years. Clinical examination was the main stay of diagnosis which was supplemented by USG and/or computed tomography. Compression of the lesion site was done for few hours wherever it was possible after the ILS session. Result: A total of 21 patients included in our study. The age ranged from 3 months to 18 years. Male to female ratio was 8:13. The most common site of involvement was neck and axilla followed by anterior chest wall and nape of the neck. Complete resolution after single session was observed in 90.5% cases where as surgery was required in 9.5% case. Major complication was observed in one patient, who had intralesional bleeding which was managed conservatively. Transient pain and fever was observed in 23.8% of cases. Only two patient required surgical intervention where one had persistent subcutaneous fibrotic nodule and other one did not respond to ILS. Conclusion: Intralesional bleomycin is an effective treatment for macrocystic lesion, and complete resolution may be achieved by single session of ILS if proper principle are followed.
Keywords: Cystic hygroma; intralesional bleomycin; sclerosant
|How to cite this article:|
Upadhyaya VD, Bhatnagar A, Kumar B, Neyaz Z, Kishore J S, Sthapak E. Is multiple session of intralesional bleomycin mandatory for complete resolution of macrocystic lymphatic malformation?. Indian J Plast Surg 2018;51:60-5
|How to cite this URL:|
Upadhyaya VD, Bhatnagar A, Kumar B, Neyaz Z, Kishore J S, Sthapak E. Is multiple session of intralesional bleomycin mandatory for complete resolution of macrocystic lymphatic malformation?. Indian J Plast Surg [serial online] 2018 [cited 2019 Jun 25];51:60-5. Available from: http://www.ijps.org/text.asp?2018/51/1/60/233552
| » Introduction|| |
Sixty per cent of all lymphatic malformations (LMs) are observed at birth. It is a benign lesion and needs attention mostly because of aesthetic reasons and complications such as compression of adjacent organs, leading to respiratory obstruction, dysphagia, nerve compression and malocclusion. LM can present with local inflammation, infection, sinus formation and haemorrhage. Spontaneous resolution is known but is very rare. Till recently, surgical excision was considered the treatment of choice. Surgery has a high rate of complication with chances of recurrences which are difficult to manage. Intralesional sclerotherapy (ILS) has been advocated as a popular alternative to surgery, mainly for superficial LM. The main drawback of ILS, cited in literature, is the need for multiple sessions to achieve an acceptable outcome as compared to surgical excision. Only a few sporadic case reports have shown complete resolution of LM with one session of ILS. This study was conducted with the aim to study whether multiple sessions of intralesional bleomycin are necessary for complete resolution of the lesion.
| » Materials and Methods|| |
Data of all the patients of macrocystic LM aged below 18 years presenting either in the Department of Paediatric Surgery or Plastic Surgery from January 2012 to December 2016 were analysed retrospectively. The patients with microcystic lesion with associated haemangiomatous component or macrocystic lesion having more than five cysts were excluded from the study (to avoid tackling a large number of cysts in one sitting). A total of 21 cases aged ranging from 3 months to 17 years were included. All possible complications such as infection or haemorrhage were recorded. Ultrasound (USG) was done in all cases to confirm the diagnosis and to characterize the lesion into micro- or macro-cystic lesions as per the latest classification. Post-procedure follow-up was done at 6 months using USG to document the size and volume of the residual lesion. All the parents had agreed with the proposed treatment and post-operative evaluation. ILS is the standard modality for the treatment of pure lymphatic or mixed LMs at our centre. All patients were strictly scrutinized for the presence of any lung pathology before initiation of therapy and were subjected to one shot of intravenous antibiotic before ILS and oral antibiotics for 72 h and analgesic for 48 h post-procedure.
Treatment protocol for intralesional sclerotherapy
All interventions were done under general anaesthesia/sedation in the operation theatre [Figure 1], and the lesion was localized on USG [Figure 2]. Individual cysts were punctured using 22 or 20 Fr intravenous cannula under USG guidance. After puncture, metallic stellate of the cannula was used to monitor the exact placement of the cannula [Figure 3] in the cyst cavity. After confirming cannula placement, i.e., free flow of clear fluid, metallic stellate was withdrawn and the plastic cannula left in situ. The main objective of cyst aspiration was to completely evacuate the cyst for optimum action of the drug. With the aspirating cannula left in situ, bleomycin was injected under USG guidance taking care not to dislodge the cannula from the cyst cavity [Figure 4]. Drug delivery was confirmed into the cyst cavity with USG. Bleomycin was injected individually in each cyst, and care was taken that total dose should not exceed the recommended dose of 0.5 mg/kg.,, Post-procedure, compression of the injection site (wherever it was possible) was done for 6 h. Strict monitoring of the vitals was done up to 6 h post-procedure, and the patients were discharged within 24–48 h of the procedure.
|Figure 1: Large cystic hygroma involving neck before sclerotherapy under general anaesthesia|
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|Figure 2: Ultrasound picture showing large cystic lesion before sclerotherapy|
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|Figure 3: Ultrasound showing 20 Fr intravenous cannula with metallic stent just before aspiration of the fluid note single cannula will be used for aspiration of both cysts|
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Evaluation and follow-up of lesion
Patients were evaluated clinically at 3 and 6 months post-procedure [Figure 5]. Subsequently, all patients were reviewed at 6 monthly intervals for at least 2 years. USG evaluation of the residual lesion was done at the second visit, i.e., 6 months [Figure 6] post-procedure, and the size were compared with the previous scan (especially volume of the lesion). The patients were graded into complete resolution, incomplete resolution and failure as summarised in [Table 1]. Thus, our emphasis was on the cosmetic improvement of the lesion unlike the previous series where it was graded as excellent with more than 90% reduction in the size of lesion, good with 50%–90% reduction and poor in the rest of the cases.,,
|Figure 6: Repeat ultrasound showing very small residual (not amenable to aspiration) lesion after 6 months of the first session|
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| » Results|| |
A total of 21 patients was included in our study. The age ranged from 3 months to 17 years. Male to female ratio was 8:13. The most common site of involvement was neck and axilla followed by anterior chest wall and nape of the neck. Complete resolution was observed in 91% of cases, none of our patients landed in the partial response group and surgical excision was done in two cases [Table 1]. Major complication in the form of intralesional bleeding was seen in one patient and managed conservatively. Transient pain and fever were observed in 23.8% of cases. Results are summarized in [Table 2]. Only two patients required surgical intervention where one had a persistent subcutaneous fibrotic nodule and another one did not respond to intra lesional bleomycin ILS.
| » Discussion|| |
Recent classifications have extended the range of LMs and have included various generalised lymphatic disorders under one umbrella. Moreover, the arbitrary distinction of macrocystic and microcystic malformation on the size of the cyst has been done away with. Cysts which can be successfully aspirated or sclerosed resulting in the decrease in size of lesion are considered significant or macrocysts. Usually, macrocysts respond well to sclerotherapy whereas microcystic lesion requires surgical intervention.
The best diagnostic tool to differentiate LMs from cystic lesions of the neck is magnetic resonance imaging, but USG can usually confirm and differentiate cystic LM from other cystic lesion.
LMs are benign lesions but warrant urgent attention because of its potential complications such as intralesional bleeding and infections. In the present series, three patients had features of secondary infection at the time of the first presentation, but all responded to the conservative treatment. Another reason for sudden enlargement of the lesion is spontaneous bleeding, which usually responds to conservative management but may need emergency surgery., In the present series, only one patient presented with spontaneous bleeding and was managed conservatively. None of our patients presented with post-procedural infection although one presented with intralesional bleeding after the procedure. This patient was initially managed conservatively but developed a subcutaneous fibrotic mass which required surgical excision. Surgical excision of post-sclerotherapy lesion is difficult due to dense adhesion between residual cyst and neighbouring tissue, leading to loss of tissue plane.
Surgical excision is the standard treatment for LM; however, due to the proximity of the lesion with nerve and important vessels, sometimes, complete excision is not possible which may lead to recurrence. The recurrence rate after surgery may be as high as 27% in some series with a mortality of around 2%., Other post-operative complications observed after surgical excision of LM are wound infection, haemorrhage, scar hypertrophy and persistent lymphorrhea and lymphangioma circumscriptum. These limitations of surgical intervention led to an interest in alternative treatment options such as ILS.
ILS has many benefits over surgical approach such as less chances of recurrence, no or minimal scar, minimal chances of nerve or vascular injury. Several sclerosing agents, such as ethanol, sodium tetradecyl sulphate and doxycycline, have been used in LMs; however, two most extensively used sclerosants are bleomycin and OK432;,, because of easy availability and low cost, we used bleomycin in our study.
In multicystic lesions, especially with more than five cysts, it was observed that the individual cysts were very small; hence, it was not possible to target each cyst individually in one sitting, and dose of bleomycin may exceed the upper limit (0.5 ml/kg). Keeping the maximal dose concern in our mind, we have restricted this study to multicystic lesions having <5 cysts on USG evaluation.
Most of the published series reported complete resolution in 60% of cases with marked reduction in size in >30% cases after 3–6 sessions of bleomycin ILS. In the present series, 85% of cases had almost complete resolution or had small residual fibrotic mass which was clinically not appreciable after a single session of ILS, and 90.5% had complete resolution after the second session whereas, around 9.5% (2 cases) required surgical excision.
It was observed that the patients who did not have a history of previous infection or bleeding in the cyst had better response with no residual fibrotic lesion in comparison to the lesions that had one or more complication before ILS initiation. The possible reasons for better results in our series are as follows: In all cases, cysts were tackled individually under strict aseptic precaution in operation theatre. The cyst content was completely aspirated under the USG guidance before instillation of bleomycin, thus decreasing the chances of dilution of the drug and increasing the contact of bleomycin with the endothelial lining of the cyst. The intimate contact between the bleomycin solution and cyst endothelial lining post-aspiration, we feel, is the most important aspect of the treatment. We believe that the intense inflammation caused by bleomycin solution leads to the loss of secretory power of the endothelial lining and extensive post-inflammatory fibrosis. Second, the concentration of bleomycin (3 mg/ml of dilution) used in our series led to more intense fibrosis as reflected as better result in our series; however, in none of the patients, total dose did not exceed 0.5 mg/kg body weight. Third, in our series, the proposed interval between the two sessions was 6 months or more unlike most of the reported series where duration between two sessions was 4–8 weeks, and we think that it may be the desired time for optimal action and effect of the drug. Finally, post-therapy compression decreased the chances of seroma formation as well as increased the contact time between bleomycin solution and cyst endothelial lining.
This mode of treatment is not free of complication, but the severity and frequency of complication are much less when compared with surgery. The reported complications of sclerotherapy with bleomycin are discolouration of the injection site, sudden increase in the size of LM, fever, vomiting, cellulitis, interstitial pneumonia and pulmonary fibrosis. Pulmonary fibrosis is associated with high dosage of bleomycin. The safe upper limit dose of bleomycin in single session is 0.5 ml/kg body weight, but it ranges from 0.3 to 1 mg/kg  and upper limit of cumulative dose is 5 mg/kg. In our series, none of the patients had pulmonary fibrosis (though still long time follow is required to rule out pulmonary fibrosis); because the total dose of drug used was very small, 21% of cases developed high-grade fever which subsided with antibiotic and antipyretic within 3 days, and the pain was complained by 18% cases which was resolved with oral analgesic.
| » Conclusion|| |
We believe that intralesional bleomycin sclerotherapy can be a safe and first-line therapy for macrocystic LM in children and feel that even large macrocystic LMs can be treated in a single sitting if done adequately.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2], [Figure 3], [Figure 4], [Figure 5], [Figure 6]
[Table 1], [Table 2]