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One month later&#44; the patient presented a large plaque that covered the lower and lateral parts of the chest and abdomen with 2 tumors&#44; 1 of which was necrotic&#44; on the surface &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>&#41;&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Histopathology</span><p id="par0015" class="elsevierStylePara elsevierViewall">Biopsy revealed a proliferation of spindle-shaped cells throughout the full thickness of the dermis that formed pseudovascular clefts and fascicles&#46; The cells showed moderate atypia and occasional mitotic figures&#46; Immunohistochemistry was positive for CD31&#44; D2-40&#44; and human herpesvirus 8 &#40;HHV8&#41; &#40;<a class="elsevierStyleCrossRef" href="#fig0010">Fig&#46; 2</a>&#41;&#46;</p><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">What Is Your Diagnosis&#63;</span></p></span><span id="sec0020" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0020">Diagnosis</span><p id="par0025" class="elsevierStylePara elsevierViewall">Iatrogenic Kaposi sarcoma&#46;</p></span><span id="sec0025" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0025">Clinical Course</span><p id="par0030" class="elsevierStylePara elsevierViewall">At the time of the transplant&#44; 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2 had high levels of viremia &#40;&#62;<span class="elsevierStyleHsp" style=""></span>1000<span class="elsevierStyleHsp" style=""></span>copies&#47;mL&#41; and developed Kaposi sarcoma&#46;</p><p id="par0070" class="elsevierStylePara elsevierViewall">The authors concluded that HHV8 transmission is common and that morbidity caused by the virus is rare but can be severe&#46; Therefore&#44; they recommend screening donors for HHV8 in cases in which the recipient is seronegative&#46;</p><p id="par0075" class="elsevierStylePara elsevierViewall">The study did not include any patients who&#44; like our patient&#44; had received a lung transplant &#40;possibly because kidney transplant is the most common solid organ transplant&#41; and although we have not found any cases of Kaposi sarcoma in lung transplant recipients in the reviewed literature&#44; it can be assumed that the situation is similar given that these patients also receive combined immunosuppressive therapy&#46;</p></span><span id="sec0035" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0035">Conflicts of Interest</span><p id="par0080" class="elsevierStylePara elsevierViewall">The authors declare that they have no conflicts of interest&#46;</p></span></span>"
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Vol. 108. Núm. 3.
Páginas 255-256 (abril 2017)
Visitas
4808
Vol. 108. Núm. 3.
Páginas 255-256 (abril 2017)
Case for Diagnosis
Acceso a texto completo
Rapidly Progressive Infiltrated Plaques in a Transplant Recipient
Placas infiltradas de rápida evolución en paciente trasplantado
Visitas
4808
I. Salgüero Fernández
Autor para correspondencia
irenebsf@hotmail.com

Corresponding author.
, F. Alfageme Roldán, D. Suarez Massa, G. Roustan Gullón
Hospital Puerta de Hierro, Majadahonda, Madrid, Spain
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Medical History

The patient was a 54-year-old man who had received a lung transplant for treatment of emphysema. He was being treated with tacrolimus, mycophenolate mofetil, and prednisone. Rapidly progressive asymptomatic erythematous-violaceous plaques appeared on the patient's chest at 7 months posttransplant. The patient did not present fever or any other associated signs or symptoms.

Physical Examination

At the first visit, physical examination revealed isolated infiltrated erythematous plaques with a bilateral distribution in the pectoral region (adjacent to the thoracotomy site). One month later, the patient presented a large plaque that covered the lower and lateral parts of the chest and abdomen with 2 tumors, 1 of which was necrotic, on the surface (Fig. 1).

Figure 1.

Infiltrated erythematous plaques in the costal region.

(0.3MB).
Histopathology

Biopsy revealed a proliferation of spindle-shaped cells throughout the full thickness of the dermis that formed pseudovascular clefts and fascicles. The cells showed moderate atypia and occasional mitotic figures. Immunohistochemistry was positive for CD31, D2-40, and human herpesvirus 8 (HHV8) (Fig. 2).

Figure 2.

A, Hematoxylin-eosin, original magnification×10. B, Hematoxylin-eosin, original magnification×40.C, Immunohistochemistry for CD31 and D2-40. D, Positive for human herpesvirus 8.

(0.43MB).

What Is Your Diagnosis?

Diagnosis

Iatrogenic Kaposi sarcoma.

Clinical Course

At the time of the transplant, serology for HHV8 was positive in the donor and negative in the recipient. The patient presented seroconversion for HHV8. Subsequently, HHV8 was detected by polymerase chain reaction (PCR) in the serum of the patient, with high levels of viremia (>1000copies/mL).

Computed tomography and magnetic resonance imaging studies were carried out and no evidence of visceral involvement was detected.

Treatment was initiated with doxorubicin, mycophenolate was withdrawn, the dose of tacrolimus was decreased, and everolimus was introduced. With this treatment regimen, new lesions stopped appearing and the existing lesions flattened.

Comment

Kaposi sarcoma is a tumor derived from endothelial cells. It presents a variable clinical course, ranging from minimal involvement to systemic progression that affects internal organs. There are 4 types of Kaposi sarcoma: classical, endemic, iatrogenic, and human immunodeficiency virus (HIV)–associated.1

Kaposi sarcoma develops in 0.1%-5% of solid organ transplant recipients, especially kidney recipients, who generally receive combined immunosuppressive therapy.1

Immunity and viral infection play a role in the etiology and pathogenesis of Kaposi sarcoma and interact with HHV8, which is a necessary but not sufficient condition for the development of the disease.2

Most cases in transplant patients are caused by the reactivation of a previous infection, while a few are caused by a primary infection related to the transplanted organ.3

Approximately 30% of seronegative recipients seroconvert after receiving an organ from a HHV8-seropositive donor. Lebbe et al.4 monitored 454 HHV8 seronegative transplant recipients for 2 years and observed a seroconversion rate of 29%-31%. Notably, the prevalence of HHV8-positive viremia in these patients was very low, <1% (4 of 454 patients), possibly due to an adaptive immune response against HHV8 demonstrated by Lambert et al.5 Of the 4 patients with HHV8-positive viremia, 2 had high levels of viremia (>1000copies/mL) and developed Kaposi sarcoma.

The authors concluded that HHV8 transmission is common and that morbidity caused by the virus is rare but can be severe. Therefore, they recommend screening donors for HHV8 in cases in which the recipient is seronegative.

The study did not include any patients who, like our patient, had received a lung transplant (possibly because kidney transplant is the most common solid organ transplant) and although we have not found any cases of Kaposi sarcoma in lung transplant recipients in the reviewed literature, it can be assumed that the situation is similar given that these patients also receive combined immunosuppressive therapy.

Conflicts of Interest

The authors declare that they have no conflicts of interest.

References
[1]
G. Blasco-Morente, C. Garrido-Colmenero, I. Pérez-López, J. Espelt-Otero.
Placa preesternal de larga evolución.
Actas Dermosifiliogr., 106 (2015), pp. 585
[2]
U.R. Hengge, T. Ruzicka, S.K. Tyring, M. Stuschke, M. Roggendorf, R.A. Schwartz.
Update on Kaposi's sarcoma and other HHV8 associated diseases, parts i and ii.
Lancet Infect Dis, (2002), pp. 281-292
[3]
A.E. Grulich, C.M. Vajdic.
The epidemiology of cancers in human immunodeficiency virus infection and after organ transplantation.
Semin Oncol., 42 (2015), pp. 247-257
[4]
C1 Lebbe, R. Porcher, A.G. Marcelin, F. Agbalika, E. Dussaix, D. Samuel, Skin and Organ Transplantation Group of the French Society of Dermatology, et al.
Human herpesvirus 8 (HHV8) transmission and related morbidity in organ recipients.
Am J Transplant, 13 (2013), pp. 207-213
[5]
M. Lambert, M. Gannagé, A. Karras, M. Abel, C. Legendre, D. Kerob, et al.
Differences in the frequency and function of HHV8-specific CD8 T cells between asymptomatic HHV 8 infection in Kaposi sarcoma.
Blood, 108 (2006), pp. 3871-3880

Please cite this article as: Salgüero Fernández I, Alfageme Roldán F, Suarez Massa D, Roustan Gullón G. Placas infiltradas de rápida evolución en paciente trasplantado. Actas Dermosifiliogr. 2017;108:255–256.

Copyright © 2016. Elsevier España, S.L.U. and AEDV
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