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The lesion showed no ulceration and had a diameter of 8<span class="elsevierStyleHsp" style=""></span>mm&#44; a Breslow depth of 4<span class="elsevierStyleHsp" style=""></span>mm&#44; and a Clark level of <span class="elsevierStyleSmallCaps">III</span>&#46; Following surgical resection and the detection of positive sentinel lymph nodes&#44; axillary lymphadenectomy was performed&#59; histology was negative&#46; The patient received adjuvant therapy with interferon&#44; but experienced recurrence in the left supraclavicular lymph nodes 2 years later&#46; After 3 doses of fotemustine&#44; the left supraclavicular lymph nodes were resected en bloc&#59; 3 of these nodes were positive&#46; The patient received radiation therapy to the surgical site&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Some months later&#44; the patient was urgently referred to the general surgery department for colicky abdominal pain&#44; digestive intolerance&#44; loose stools&#44; and macrocytic anemia&#46; Computed tomography &#40;CT&#41; revealed bowel obstruction &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#44; and probable intestinal metastasis of the cutaneous melanoma was suspected&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0025" class="elsevierStylePara elsevierViewall">During surgery&#44; intussusception was observed and the head was found to consist of a bluish mass&#59; the intussuscepted jejunum &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41; and all visible blue lymph nodes were resected en bloc&#46;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0030" class="elsevierStylePara elsevierViewall">Macroscopically&#44; the small bowel specimen was 39<span class="elsevierStyleHsp" style=""></span>cm in length&#44; with intussusception at 14&#46;5<span class="elsevierStyleHsp" style=""></span>cm caused by a blackish tumor of 4<span class="elsevierStyleHsp" style=""></span>&#215;<span class="elsevierStyleHsp" style=""></span>7<span class="elsevierStyleHsp" style=""></span>cm that occluded the entire lumen&#46; The microscopic report described melanoma infiltrating the muscularis propria&#59; 5 of the 17 lymph nodes isolated in the mesocolon were positive&#46; The resection borders were free of tumor&#46;</p><p id="par0035" class="elsevierStylePara elsevierViewall">The postoperative course was unremarkable&#44; and the patient was referred to the oncology department for follow-up&#46;</p><p id="par0040" class="elsevierStylePara elsevierViewall">Intussusception in an adult is a potentially serious condition that is usually secondary to an intestinal wall lesion&#58; benign or malignant tumor&#44; inflammatory lesion &#40;appendicitis&#44; Meckel diverticulum&#41;&#44; or even a foreign body in the small bowel&#46; Therefore&#44; it almost always occurs in the ileocecal area&#44; but is less common in the jejunojejunal or ileocecocolic areas&#46;</p><p id="par0045" class="elsevierStylePara elsevierViewall">The preoperative diagnostic techniques of choice are CT and ultrasound&#46; Recent studies recommend that patients with cutaneous melanoma who develop gastrointestinal symptoms should undergo contrast-enhanced studies &#40;enteroclysis&#44; opaque enema&#44; etc&#46;&#41;&#44; complemented by CT&#44; depending on the result&#46;<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a></p><p id="par0050" class="elsevierStylePara elsevierViewall">The definitive diagnosis is established after surgery and histology&#46; In general&#44; immunohistochemical staining of the material obtained is essential for the diagnosis of metastatic tumors&#46;<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a></p><p id="par0055" class="elsevierStylePara elsevierViewall">Bowel resection is the surgical technique of choice because of its increased safety and adherence to oncologic principles&#46; The intussusception should only be reduced first when there is a potential benefit to the patient&#46;<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a></p><p id="par0060" class="elsevierStylePara elsevierViewall">Other groups advocate conservative treatment when the etiology of intussusception is not clear&#59; such treatment will depend on the type of intussusception and on the clinical signs and symptoms and should always be accompanied by follow-up&#46;<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a></p><p id="par0065" class="elsevierStylePara elsevierViewall">Intussusception can now be diagnosed and treated laparoscopically&#44; although in cases of complete bowel obstruction&#44; the technique is complicated by the distension of the intestinal loops and the fragility of the intestinal wall&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">The head of the intussusception is often a malignant lesion &#40;52&#37; of cases&#41;&#44;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">6</span></a> and there are cases where this lesion is a metastasis of a cutaneous melanoma&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">7</span></a></p><p id="par0075" class="elsevierStylePara elsevierViewall">The presence of an early complication caused by bowel obstruction&#44; investigated by appropriate diagnostic methods&#44; can lead to the early diagnosis of metastatic spread of a melanoma&#44;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">8</span></a> as in the case we describe&#46;</p><p id="par0080" class="elsevierStylePara elsevierViewall">Once metastasis is diagnosed&#44; surgery is the only option for treating complications of bowel obstruction due to melanoma &#40;e&#46;g&#46; chronic anemia&#44; episodes of partial bowel obstruction&#41; and improving survival rates and quality of life in these patients&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">9</span></a></p></span>"
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Journal Information
Vol. 103. Issue 5.
Pages 439-441 (June 2012)
Vol. 103. Issue 5.
Pages 439-441 (June 2012)
Case and Research Letters
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Intussusception in an Adult Secondary to Metastasis of Cutaneous Melanoma
Invaginación intestinal en el adulto secundaria a metástasis de melanoma cutáneo
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L. Muiños-Ruano
Corresponding author
lauramruano@hotmail.com

Corresponding author.
, A. Llaneza-Folgueras, A. Rizzo-Ramos, C. Menéndez-Dizy
Servicio de Cirugía General y del Aparato Digestivo, Hospital Universitario Central de Asturias, Oviedo, Asturias, Spain
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To the Editor:

Intussusception is the infolding of one portion of the bowel within another and is the most common cause of intestinal obstruction in early childhood. Adult intussusception accounts for fewer than 5% of all intussusceptions and only 1% of all bowel obstructions.1 The symptoms are those of partial or complete mechanical bowel obstruction, and in partial cases, the course can be intermittent or chronic.2

Cutaneous melanoma is rarely diagnosed as the etiology of intussusception in adults and is therefore not usually suspected when obstructive symptoms appear.

We describe a 47-year-old woman diagnosed with superficial spreading cutaneous melanoma on the left shoulder. The lesion showed no ulceration and had a diameter of 8mm, a Breslow depth of 4mm, and a Clark level of III. Following surgical resection and the detection of positive sentinel lymph nodes, axillary lymphadenectomy was performed; histology was negative. The patient received adjuvant therapy with interferon, but experienced recurrence in the left supraclavicular lymph nodes 2 years later. After 3 doses of fotemustine, the left supraclavicular lymph nodes were resected en bloc; 3 of these nodes were positive. The patient received radiation therapy to the surgical site.

Some months later, the patient was urgently referred to the general surgery department for colicky abdominal pain, digestive intolerance, loose stools, and macrocytic anemia. Computed tomography (CT) revealed bowel obstruction (Fig. 1), and probable intestinal metastasis of the cutaneous melanoma was suspected.

Figure 1.

Computed tomography. A, Small-bowel dilatation consistent with intestinal obstruction. B, Jejunum. Image of multiple concentric rings with a central lesion (bulls-eye image).

(0.11MB).

During surgery, intussusception was observed and the head was found to consist of a bluish mass; the intussuscepted jejunum (Fig. 2) and all visible blue lymph nodes were resected en bloc.

Figure 2.

Surgical specimen.

(0.13MB).

Macroscopically, the small bowel specimen was 39cm in length, with intussusception at 14.5cm caused by a blackish tumor of 4×7cm that occluded the entire lumen. The microscopic report described melanoma infiltrating the muscularis propria; 5 of the 17 lymph nodes isolated in the mesocolon were positive. The resection borders were free of tumor.

The postoperative course was unremarkable, and the patient was referred to the oncology department for follow-up.

Intussusception in an adult is a potentially serious condition that is usually secondary to an intestinal wall lesion: benign or malignant tumor, inflammatory lesion (appendicitis, Meckel diverticulum), or even a foreign body in the small bowel. Therefore, it almost always occurs in the ileocecal area, but is less common in the jejunojejunal or ileocecocolic areas.

The preoperative diagnostic techniques of choice are CT and ultrasound. Recent studies recommend that patients with cutaneous melanoma who develop gastrointestinal symptoms should undergo contrast-enhanced studies (enteroclysis, opaque enema, etc.), complemented by CT, depending on the result.3

The definitive diagnosis is established after surgery and histology. In general, immunohistochemical staining of the material obtained is essential for the diagnosis of metastatic tumors.4

Bowel resection is the surgical technique of choice because of its increased safety and adherence to oncologic principles. The intussusception should only be reduced first when there is a potential benefit to the patient.2

Other groups advocate conservative treatment when the etiology of intussusception is not clear; such treatment will depend on the type of intussusception and on the clinical signs and symptoms and should always be accompanied by follow-up.5

Intussusception can now be diagnosed and treated laparoscopically, although in cases of complete bowel obstruction, the technique is complicated by the distension of the intestinal loops and the fragility of the intestinal wall.

The head of the intussusception is often a malignant lesion (52% of cases),6 and there are cases where this lesion is a metastasis of a cutaneous melanoma.7

The presence of an early complication caused by bowel obstruction, investigated by appropriate diagnostic methods, can lead to the early diagnosis of metastatic spread of a melanoma,8 as in the case we describe.

Once metastasis is diagnosed, surgery is the only option for treating complications of bowel obstruction due to melanoma (e.g. chronic anemia, episodes of partial bowel obstruction) and improving survival rates and quality of life in these patients.9

References
[1]
E.M. Haas, E.L. Etter, S. Ellis, T.V. Taylor.
Adult intussusception.
Am J Surg, 186 (2003), pp. 75-76
[2]
J.G. Martín, J.L. Aguayo, J. Aguilar, J.A. Torralba, R. Lirón, J. Miguel, et al.
Invaginación intestinal en el adulto. Presentación de siete casos con énfasis en el diagnóstico preoperatorio.
Cir Esp, 69 (2001), pp. 93-97
[3]
V.G. McDermott, V.H. Low, M.T. Keogan, J.A. Lawrence, E.K. Paulson.
Malignant melanoma metastatic to the gastrointestinal tract.
AJR Am J Roentgenol, 166 (1996), pp. 809-813
[4]
A. Aktas, G. Hos, S. Topaloglu, A. Calik, A. Reis, B. Piskin.
Metastatic cutaneous melanoma presented with ileal invagination: report of a case.
Ulus Travma Derg, 16 (2010), pp. 469-472
[5]
M.P. Guillén-Paredes, A. Campillo-Soto, J.G. Martín-Lorenzo, J.A. Torralba-Martínez, M. Mengual-Ballester, M.J. Cases-Baldó, et al.
Adult intussusception - 14 case reports and their outcomes.
Rev Esp Enferm Dig, 102 (2010), pp. 32-40
[6]
T. Azar, D.L. Berger.
Adult intussusception.
Ann Surg, 226 (1997), pp. 134-138
[7]
L. Tomás-Mallebrera, R. Rojo-España, A. Marquina-Vila, N. Gimeno-Clemente, M.M. Morales-Suárez-Varela.
La técnica del ganglio centinela en pacientes con melanoma.
Actas Dermosifiliogr, 101 (2010), pp. 428-436
[8]
G. Resta, G. Anania, F. Messina, D. de Tullio, G. Ferrocci, F. Zanzi, et al.
Jejuno-jejunal invagination due to intestinal melanoma.
World J Gastroenterol, 13 (2007), pp. 310-312
[9]
M.H. Khadra, J.F. Thompson, G.W. Milton, W.H. McCarthy.
The justification for surgical treatment of metastatic melanoma of the gastrointestinal tract.
Surg Gynecol Obstet, 171 (1990), pp. 413-416

Please cite this article as: Muiños-Ruano L, et al. Invaginación intestinal en el adulto secundaria a metástasis de melanomsa cutáneo. Actas Dermosifiliogr.2012:441-2.

Copyright © 2011. Elsevier España, S.L. and AEDV
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