Giant cavernous hemangiomas of the liver
1130-0108/2004/96/9/665-666 REVISTA ESPA?OLA DE ENFERMEDADES DIGESTIVAS Copyright ? 2004 AR?N EDICIONES, S. L.
PICTURES IN DIGESTIVE PATHOLOGY
Giant cavernous hemangiomas of the liver
P. D?ez Redondo, R. Velicia Llames and A. Caro-Pat?n
Service of Digestive Diseases. University Hospital of R?o Hortega. Valladolid. Spain
REV ESP ENFERM DIG (Madrid) Vol. 96. N.? 9, pp. 665-666, 2004
A 38-year-old woman was attended in our unit complaining unspecific discomfort in the right hypochondrium. She mentioned to have taken oral contraceptives up to two years earlier. The laboratory data at presentation was as follows: mild thrombopenia, AST 48 U/L, ALT 28 U/L, GGT 159 U/L, alkaline phosphatase 593 U/L, coagulation tests and proteinogram were normal. Abdominal ultrasound revealed multiple hepatic nodules of variable density. Abdominal computer tomography (Fig. 1) showed a large hypodense mass occupying the whole of the right hepatic lobe and a part of the left lobe, the latter displaying compensatory hypertrophy. Intravenous injection of contrast medium enhanced the image of the mass from periphery to center. Hepatic arteriography, during arterial phase, revealed an opacification corresponding to large concentrations of blood in both hepatic lobes. Consequently, a giant cavernous hemangioma of the liver was diagnosed. During the following 16 years, the patient remained asymptomatic with normal transaminases, mild thrombopenia, and no coagulation im- Fig. 1. pairment. The hemangioma has since hardly increased in size. Because of this favourable outcome, our attitude has remained conservative so far.
Cavernous hemangiomas are the most common benign tumors of the liver, and are found in 5% of autopsies (1). In general, they are sporadic tumors, but some exceptional cases have been described that suggest a possible familial predisposition (2,3). They are usually small in size and asymptomatic. However, when measuring more than 4 centimeters, they are considered giant-sized and may be associated with disseminated intravascular coagulation. Reports exist showing a relationship between oral contraceptives and increase in size, symptomatology (4), and even recurrence of these tumors (5).
REFERENCES
1. Sherlock S. Hepatic tumors. En: Sherlock S, Dooley J, eds. Enfermedades del h?gado y v?as biliares. Madrid: Marb?n Libros, S. L, 1996. p. 503-31. 2. Moser CH, Hany A, Spiegel R. Famili?re riesenh?mangiome der leber. Schweiz Rundsch Med Prax 1998; 87 (14): 461-8. 3. Drigo P, Mammi I, Battistella PA, Ricchieri G, Carollo C. Familial cerebral, hepatic, and retinal cavernous angiomas: a new syndrome. Child?s Nerv Syst
1994; 10: 205-9. 4. Zafrani ES. Update on vascular tumours of the liver. J Hepatol 1998; 8: 125-30. 5. Conter RL, Longmire WP. Recurrent hepatic hemangiomas: possible association with estrogen therapy. Ann Surg 1988; 207: 115-9.
666
P. D?EZ REDONDO ET AL.
Hemangioma cavernoso hep?tico gigante
P. D?ez Redondo, R. Velicia Llames y A. Caro-Pat?n
Servicio de Aparato Digestivo. Hospital Universitario R?o Hortega. Valladolid
REV ESP ENFERM DIG (Madrid)
Mujer de 38 a?os de edad que consult? por molestias inespec?ficas en hipocondrio derecho. Refer?a ingesta de anticonceptivos orales hasta hac?a dos a?os. Anal?ticamente presentaba: trombopenia leve, GOT 48 U/l, GPT 28 U/l, GGT 158 U/l, FA 593 U/l, coagulaci?n y proteinograma normales. La ecograf?a abdominal mostr? m?ltiples n?dulos hep?ticos de diferente ecogenicidad. La tomograf?a computerizada (TC) abdominal (Fig. 1) mostr? una gran tumoraci?n hipodensa que ocupaba todo el l?bulo hep?tico derecho y parte del izquierdo, el cual presentaba una hipertrofia compensadora. La masa se realzaba con contraste intravenoso desde la periferia al centro. La arteriograf?a hep?tica demostr?, en la fase arterial, la opacificaci?n con contraste de grandes lagos sangu?neos en ambos l?bulos hep?ticos. Con estos datos se interpret? la lesi?n como un hemangioma cavernoso hep?tico gigante. Durante los 16 a?os de seguimiento, la paciente ha permanecido asintom?tica, con transaminasas normales, trombopenia leve y sin deterioro de la coagulaci?n. El hemangioma apenas ha crecido y, dada la buena evoluci?n, se ha mantenido una actitud conservadora.
Los hemangiomas cavernosos son los tumores hep?ticos benignos m?s frecuentes, ya que pueden encontrarse hasta en el 5% de las necropsias (1). Generalmente son tumores espor?dicos; aunque excepcionalmente se han descrito casos que sugieren una posible predisposici?n familiar (2,3). Habitualmente son de peque?o tama?o y asintom?ticos. Sin embargo, cuando miden m?s de 4 cent?metros se consideran gigantes y pueden acompa?arse de un fen?meno de coagulaci?n intravascular diseminada. Se ha descrito la relaci?n existente entre la toma de anticonceptivos orales y el aumento de tama?o, la aparici?n de sintomatolog?a (4) e incluso la recurrencia de estos tumores (5).
REV ESP ENFERM DIG 2004; 96(9): 665-666
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