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Fastner S, Creveling P, Shen N, Horns JJ, Bowles TL, Hyngstrom J, Asare EA. Single-Photon Emission Computed Tomography/Computed Tomography Utilization for Extremity Melanomas at a High-Volume Center. J Surg Res 2024; 296:196-202. [PMID: 38277957 DOI: 10.1016/j.jss.2023.12.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 11/22/2023] [Accepted: 12/23/2023] [Indexed: 01/28/2024]
Abstract
INTRODUCTION Planar lymphoscintigraphy (PL) is commonly used in mapping before sentinel lymph node biopsy (SLNB) for invasive cutaneous melanoma. Recently, single-photon emission computed tomography (SPECT)/ computed tomography (CT) has been utilized, in addition to PL, for detailed anatomic information and detection of sentinel lymph nodes (SLNs) outside of the primary nodal basin in truncal and head and neck melanoma. Following a protocol change due to COVID-19, our institution began routinely obtaining both PL and SPECT-CT imaging for all melanoma SLN mapping. We hypothesized that SPECT-CT is associated with higher instances of SLNBs from "nontraditional" nodal basins (NTNB) for extremity melanomas. METHODS Patients with extremity melanoma (2017-2022) who underwent SLNB were grouped into SPECT-CT with PL versus PL alone. Outcomes were total SLNs removed, + or-SLN status, total NTNB sampled, and postoperative complication rate. Poisson regression and logistic regression models were used to assess association of SPECT-CT with patient outcomes. RESULTS Of 380 patients with extremity melanoma, 42.11% had SPECT-CT. There were no differences between the groups with regards to age at diagnosis or sex. From 2020 to 2022, all patients underwent SPECT-CT. SPECT-CT was associated with increased odds of SLNB from an NTNB, (odds ratio = 2.39 [95% confidence interval: 1.25-4.67]). There was no difference in odds of number of SLNs sampled, SLN positivity rate, or postoperative complication rate with SPECT-CT. CONCLUSIONS Routine SPECT-CT was associated with higher incidence of SLNB in NTNB but did not increase number of SLNs removed or SLN positivity rate. The added value of routine SPECT-CT in cutaneous melanoma of the extremities remains to be defined.
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Affiliation(s)
| | - Polly Creveling
- Spencer Fox Eccles School of Medicine, University of Utah, Salt Lake City, Utah
| | - Nathan Shen
- Huntsman Cancer Institute, Salt Lake City, Utah
| | - Joshua J Horns
- Department of Surgery, University of Utah, Salt Lake City, Utah
| | - Tawnya L Bowles
- Department of Surgery, Intermountain Medical Center, Murray, Utah
| | - John Hyngstrom
- Huntsman Cancer Institute, Salt Lake City, Utah; Department of Surgery, University of Utah, Salt Lake City, Utah
| | - Elliot A Asare
- Huntsman Cancer Institute, Salt Lake City, Utah; Department of Surgery, University of Utah, Salt Lake City, Utah.
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West NJ, Wadhwa S, Ayars C, Philips P, Martin RCG, Scoggins CR, McMasters KM, Egger ME. Interval Sentinel Lymph Nodes With the Use of Routine Lymphoscintigraphy in Extremity Melanoma. J Surg Res 2024; 293:613-617. [PMID: 37837816 PMCID: PMC10841403 DOI: 10.1016/j.jss.2023.08.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 08/03/2023] [Accepted: 08/31/2023] [Indexed: 10/16/2023]
Abstract
INTRODUCTION Lymphoscintigraphy (LS) helps identify drainage to interval (epitrochlear or popliteal) lymph node basins for extremity melanomas. This study evaluated how often routine LS evaluation identified an interval sentinel lymph node (SLN) and how often that node was found to have metastasis. METHODS A single institution, retrospective study identified patients with an extremity melanoma who underwent routine LS and SLN biopsy over a 25-y period. Comparisons of factors associated with the identification of interval node drainage and tumor status were made. RESULTS In 634 patients reviewed, 5.7% of patients drained to an interval SLN. Of those biopsied, 29.2% were positive for micrometastases. Among patients with biopsies of both the traditional and interval nodal basins, nearly 20% had positive interval nodes with negative SLNs in the traditional basin. Sex, age, thickness, ulceration, and the presence of mitotic figures were not predictive of identifying an interval node on LS, nor for having disease in an interval node. Anatomic location of the primary melanoma was the only identifiable risk factor, as no interval nodes were identified in melanomas of the thigh or upper arm (P ≤ 0.001). CONCLUSIONS Distal extremity melanomas have a moderate risk of mapping to an interval SLN. Routine LS should be considered in these patients, especially as these may be the only tumor-positive nodes. However, primary extremity melanomas proximal to the epitrochlear or popliteal nodal basins do not map to interval nodes, and improved savings and workflow could be realized by selectively omitting routine LS in such patients.
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Affiliation(s)
- Natalie J West
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Shruti Wadhwa
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Carter Ayars
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Prejesh Philips
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Robert C G Martin
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Charles R Scoggins
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Kelly M McMasters
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky
| | - Michael E Egger
- The Hiram C Polk, Jr, MD Department of Surgery, University of Louisville School of Medicine, Louisville, Kentucky.
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Thompson JF. Harold Gillies, pioneer of modern plastic surgery, and Donald Morton, pioneer of modern surgical oncology: Master problem-solvers and surgical role models. J Plast Reconstr Aesthet Surg 2023; 87:24-32. [PMID: 37804644 DOI: 10.1016/j.bjps.2023.09.047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/12/2023] [Indexed: 10/09/2023]
Abstract
Harold Gillies, plastic surgeon, and Donald Morton, surgical oncologist, were iconic pioneers in their respective fields. Both of them made their mark by identifying crucial practical problems and finding innovative ways of solving them. Gillies grappled with the challenge of restoring form and function to British military personnel injured in World War I, and he set up a dedicated facility for performing this work. He introduced many new reconstructive techniques that became the foundation of the modern specialty of plastic and reconstructive surgery, which he established and nurtured. Morton, in the United States, applied his problem-solving skills to the long-debated question of the best way to manage regional lymph nodes in patients with melanoma. He developed the innovative technique of sentinel lymph node biopsy and initiated large-scale international clinical trials to establish its validity and clinical value. This and other important contributions to the emerging field of surgical oncology earned Morton his reputation as a pioneer and leader of that specialty. The problems that confronted Gillies and Morton were completely different, but both demonstrated remarkable skills as master problem-solvers in their respective fields and made extraordinary contributions to the body of knowledge and welfare of patients. All surgeons must be problem-solvers because every patient who presents for surgical management represents a new problem (or set of problems) to be addressed. As surgeons, we would do well to consider individuals such as Gillies and Morton as role models for our own problem-solving activities in day-to-day clinical practice.
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Affiliation(s)
- J F Thompson
- Melanoma Institute Australia, The University of Sydney, North Sydney, NSW, Australia; Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia; Division of Surgery, Royal Prince Alfred Hospital, Sydney, NSW, Australia; Faculty of Health and Medical Sciences, The University of Western Australia.
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Schoenfeldt T, Chakera AH, Nieweg OE, Thompson JF. ASO Author Reflections: The Clinical Relevance of Sentinel Nodes in Minor Lymph Node Fields Such as the Triangular Intermuscular Space in Patients with Melanoma. Ann Surg Oncol 2023; 30:5770-5771. [PMID: 37133568 PMCID: PMC10409665 DOI: 10.1245/s10434-023-13443-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 05/04/2023]
Affiliation(s)
- Trine Schoenfeldt
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia
- Department of Plastic Surgery, Breast Surgery and Burns, Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark
| | - Annette H Chakera
- Department of Clinical Medicine, The University of Copenhagen, Copenhagen, Denmark
- Department of Plastic Surgery, Copenhagen University Hospital-Herlev and Gentofte, Copenhagen, Denmark
| | - Omgo E Nieweg
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
- Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - John F Thompson
- Melanoma Institute Australia, The University of Sydney, Sydney, NSW, Australia.
- Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia.
- Department of Melanoma and Surgical Oncology, Royal Prince Alfred Hospital, Sydney, NSW, Australia.
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Vuoristo M, Juteau S, Koljonen V, Hernberg M, Mätzke S, Ilmonen S, Jahkola T. Hot dots - which nodes should be removed in sentinel lymph node biopsy for melanoma? Acta Oncol 2023; 62:1021-1027. [PMID: 37493624 DOI: 10.1080/0284186x.2023.2238558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 06/28/2023] [Indexed: 07/27/2023]
Abstract
BACKGROUND Sentinel lymph node biopsy (SLNB) is a critical staging tool for melanoma patients. The optimal number of lymph nodes removed in SLNB remains unclear. In this study, we retrospectively analysed and tested different criteria for selecting sentinel lymph nodes (SLNs) by radiotracer uptake and blue dye, and their impact on nodal staging. We also evaluated the association between SLN tumour burden and radiotracer uptake. METHODS The study population consisted of melanoma patients undergoing SLNB. During the operation all radioactive and blue nodes were removed and sent for histopathological analysis. The ex vivo radioactive count and presence of blue dye of each node were recorded, and these were correlated with presence and size of metastasis in each SLN. RESULTS Altogether 175 patients with clinically occult metastasis presented with one or more positive, i.e. metastatic, SLNs. The mean number of lymph nodes removed was 4.5, and the mean number of positive lymph nodes was 1.5 per patient. The most radioactive or hottest node was negative in 38 patients (22%). By removing the hottest node and all nodes with radioactivity >10% of the hottest node, 97% of patients would have been staged correctly. In five patients, metastasis was found solely in a SLN with radioactivity <10% of the hottest node. Of all 267 positive nodes removed, 125 (47%) contained blue dye. Patients with a negative hottest node were associated with lower SLN tumour burden. CONCLUSIONS By removing the hottest node and all nodes with radioactivity >10% of the hottest node, 97% of patients with SLN metastases are correctly staged with or without using blue dye.
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Affiliation(s)
- Mikko Vuoristo
- Department of Plastic Surgery, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Susanna Juteau
- Department of Pathology, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Virve Koljonen
- Department of Plastic Surgery, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Micaela Hernberg
- Department of Oncology, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Sorjo Mätzke
- Department of Clinical Physiology and Nuclear Medicine, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Suvi Ilmonen
- Department of Plastic Surgery, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
| | - Tiina Jahkola
- Department of Plastic Surgery, University of Helsinki, and Helsinki University Hospital, Helsinki, Finland
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Pasha T, Arain Z, Buscombe J, Aloj L, Durrani A, Patel A, Roshan A. Association of Complex Lymphatic Drainage in Head and Neck Cutaneous Melanoma With Sentinel Lymph Node Biopsy Outcomes: A Cohort Study and Literature Review. JAMA Otolaryngol Head Neck Surg 2023; 149:416-423. [PMID: 36892824 PMCID: PMC9999281 DOI: 10.1001/jamaoto.2023.0076] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 01/18/2023] [Indexed: 03/10/2023]
Abstract
Importance Although sentinel lymph node biopsy (SLNB) is a vital staging tool, its application in head and neck melanoma (HNM) is complicated by a higher false-negative rate (FNR) compared with other regions. This may be due to the complex lymphatic drainage in the head and neck. Objective To compare the accuracy, prognostic value, and long-term outcomes of SLNB in HNM with melanoma from the trunk and limb, focusing on the lymphatic drainage pattern. Design, Setting, and Participants This cohort observational study at a single UK University cancer center included all patients with primary cutaneous melanoma undergoing SLNB between 2010 to 2020. Data analysis was conducted during December 2022. Exposures Primary cutaneous melanoma undergoing SLNB between 2010 to 2020. Main Outcomes and Measures This cohort study compared the FNR (defined as the ratio between false-negative results and the sum of false-negative and true-positive results) and false omission rate (defined as the ratio between false-negative results and the sum of false-negative and true-negative results) for SLNB stratified by 3 body regions (HNM, limb, and trunk). Kaplan-Meier survival analysis was used to compare recurrence-free survival (RFS) and melanoma-specific survival (MSS). Comparative analysis of detected lymph nodes on lymphoscintigraphy (LSG) and SLNB was performed by quantifying lymphatic drainage patterns by number of nodes and lymph node basins. Multivariable Cox proportional hazards regression identified independent risk factors. Results Overall, 1080 patients were included (552 [51.1%] men, 528 [48.9%] women; median age at diagnosis 59.8 years), with a median (IQR) follow-up 4.8 (IQR, 2.7-7.2) years. Head and neck melanoma had a higher median age at diagnosis (66.2 years) and higher Breslow thickness (2.2 mm). The FNR was highest in HNM (34.5% vs 14.8% trunk or 10.4% limb, respectively). Similarly, the false omission rate was 7.8% in HNM compared with 5.7% trunk or 3.0% limbs. The MSS was no different (HR, 0.81; 95% CI, 0.43-1.53), but RFS was lower in HNM (HR, 0.55; 95% CI, 0.36-0.85). On LSG, patients with HNM had the highest proportion of multiple hotspots (28.6% with ≥3 hotspots vs 23.2% trunk and 7.2% limbs). The RFS was lower for patients with HNM with 3 or more affected lymph nodes found on LSG than those with fewer than 3 affected lymph nodes (HR, 0.37; 95% CI, 0.18-0.77). Cox regression analysis showed head and neck location to be an independent risk factor for RFS (HR, 1.60; 95% CI, 1.01-2.50), but not for MSS (HR, 0.80; 95% CI, 0.35-1.71). Conclusions and Relevance This cohort study found higher rates of complex lymphatic drainage, FNR, and regional recurrence in HNM compared with other body sites on long-term follow-up. We advocate considering surveillance imaging for HNM for high-risk melanomas irrespective of sentinel lymph node status.
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Affiliation(s)
- Terouz Pasha
- Department of Plastic & Reconstructive Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Zohaib Arain
- Department of Plastic & Reconstructive Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
- School of Clinical Medicine, University of Cambridge, Cambridge, United Kingdom
| | - John Buscombe
- Department of Nuclear Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Luigi Aloj
- Department of Nuclear Medicine, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
- Department of Radiology, University of Cambridge, Cambridge, United Kingdom
| | - Amer Durrani
- Department of Plastic & Reconstructive Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Animesh Patel
- Department of Plastic & Reconstructive Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
| | - Amit Roshan
- Department of Plastic & Reconstructive Surgery, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom
- Cancer Research UK Cambridge Institute, University of Cambridge, Cambridge, United Kingdom
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Stathaki MI, Kapsoritakis N, Michelakis D, Anagnostopoulou E, Bourogianni O, Tsaroucha A, Papadaki E, de Bree E, Koukouraki S. The impact of sentinel lymph node mapping with hybrid single photon emission computed tomography/computed tomography in patients with melanoma. Comparison to planar radioisotopic lymphoscintigraphy. Melanoma Res 2023; 33:239-246. [PMID: 37053074 DOI: 10.1097/cmr.0000000000000893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
We studied the diagnostic value of 16 slices of single photon emission computed tomography (SPECT)/computed tomography (CT) in the anatomical localization, image interpretation and extra-sentinel lymph nodes (SLNs) detection compared to dynamic and static planar radioisotopic lymphoscintigraphy (PLS) in patients with melanoma. Eighty-two patients with melanoma underwent dynamic PLS, static PLS and SPECT/CT. Data were obtained using a dual head SPECT/CT 16 slices γ-camera. We evaluated the number and localization of SLNs detected with each imaging method. SPECT/CT demonstrated 48 additional SLNs in comparison with PLS in 29 patients. In five truncal and seven head-neck lesions, dynamic and static PLS failed to detect the SLNs found on SPECT/CT (false negative). In one case of truncal and one case of lower limb melanoma, the foci of increased activity interpreted on PLS as possible SLNs were confirmed to be non-nodal sites of uptake on SPECT/CT (false positive). PLS underestimated the number of SLNs detected, whereas SPECT/CT revealed higher agreement compared to the respective number from histological reports. SPECT/CT showed a better prediction of the number of SLNs and higher diagnostic parameters in comparison to planar imaging. SPECT/CT is an important complementary diagnostic modality to PLS, that improves detection, preoperative evaluation, anatomical landmarks of SLNs and surgical management of patients with melanoma.
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Affiliation(s)
- Maria I Stathaki
- Department of Nuclear Medicine, University Hospital of Heraklion
| | | | | | | | - Olga Bourogianni
- Department of Nuclear Medicine, University Hospital of Heraklion
| | | | | | - Eelco de Bree
- Department of Surgical Oncology, University Hospital of Heraklion, Crete, Greece
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Moncrieff MD, Thompson JF. Evaluating and Embracing Modern Imaging Technology to Guide Sentinel Node Biopsy for Melanoma. Ann Surg Oncol 2022; 29:5350-5352. [PMID: 35650369 DOI: 10.1245/s10434-022-11935-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 05/12/2022] [Indexed: 11/18/2022]
Affiliation(s)
- Marc D Moncrieff
- Department of Plastic and Reconstructive Surgery, Norfolk and Norwich University Hospital, Norwich, UK.
| | - John F Thompson
- Melanoma Institute Australia and University of Sydney, Sydney, NSW, Australia
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Moncrieff M, Pywell S, Snelling A, Gray M, Newman D, Beadsmoore C, Heaton M, Pawaroo D. ASO Author Reflections: Effectiveness of SPECT/CT Imaging for Sentinel Node Biopsy Staging of Primary Cutaneous Melanoma and Patient Outcomes. Ann Surg Oncol 2021; 29:776-777. [PMID: 34845566 PMCID: PMC8724105 DOI: 10.1245/s10434-021-11026-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 11/26/2022]
Affiliation(s)
- Marc Moncrieff
- Department of Plastic & Reconstructive Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK. .,Norwich Medical School, University of East Anglia, Norwich, UK.
| | - Sarah Pywell
- Department of Plastic & Reconstructive Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK
| | - Andrew Snelling
- Department of Plastic & Reconstructive Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK
| | - Matthew Gray
- Department of Nuclear Medicine, Norfolk and Norwich University Hospitals NHS Foundation, Norwich, UK
| | - David Newman
- Department of Nuclear Medicine, Norfolk and Norwich University Hospitals NHS Foundation, Norwich, UK
| | - Clare Beadsmoore
- Department of Nuclear Medicine, Norfolk and Norwich University Hospitals NHS Foundation, Norwich, UK
| | - Martin Heaton
- Department of Plastic & Reconstructive Surgery, Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK
| | - Davina Pawaroo
- Department of Nuclear Medicine, Norfolk and Norwich University Hospitals NHS Foundation, Norwich, UK
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