{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T05:52:45Z","timestamp":1787032365039,"version":"build-2736575974"},"reference-count":60,"publisher":"Archives of Pathology and Laboratory Medicine","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Splenic hamartoma is a rare, benign vascular proliferation that is often found incidentally while working up other complaints or at autopsy. Women more commonly present with symptoms related to mass effect than men. Histologic findings consist of unorganized vascular channels of varying width, with intervening red pulp\u2013like disorganized stroma with or without lymphoid follicles. The endothelial cells are similar to those of normal splenic sinuses. Although rendering a diagnosis can be difficult, endothelial cells that are positive for CD8 are a key feature that differentiate hamartoma from other vascular lesions of the spleen. Clinical, radiologic, and histologic correlation is essential to ensure this benign lesion is not mistaken for malignancy.<\/jats:p>","DOI":"10.5858\/133.1.147","type":"journal-article","created":{"date-parts":[[2021,2,12]],"date-time":"2021-02-12T07:05:47Z","timestamp":1613113547000},"page":"147-151","source":"Crossref","is-referenced-by-count":62,"title":["Hamartoma of the Spleen"],"prefix":"10.5858","volume":"133","author":[{"given":"Hwajeong","family":"Lee","sequence":"first","affiliation":[{"name":"From the Department of Pathology and Laboratory Medicine, Henry Ford Hospital, Detroit, Mich"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koichi","family":"Maeda","sequence":"additional","affiliation":[{"name":"From the Department of Pathology and Laboratory Medicine, Henry Ford Hospital, Detroit, Mich"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"3906","reference":[{"key":"i1543-2165-133-1-147-b1","series-title":"Pathol Annu","first-page":"61","article-title":"Cysts and nonlymphomatous tumors of the spleen.","volume":"16","author":"Garvin, D. F.","year":"1981","unstructured":"Garvin, D. F. and F. M.King. Cysts and nonlymphomatous tumors of the spleen.Pathol Annu1981. 16:61\u201380."},{"key":"i1543-2165-133-1-147-b2","series-title":"Diagn Cytopathol","first-page":"137","article-title":"Primary vascular neoplasms unique to the spleen: littoral cell angioma and splenic hamartoma diagnosis by fine-needle aspiration biopsy.","volume":"35","author":"Ramdall, R. B.","year":"2007","unstructured":"Ramdall, R. B., T. M.Alasio, G.Cai, and G. C.Yang. Primary vascular neoplasms unique to the spleen: littoral cell angioma and splenic hamartoma diagnosis by fine-needle aspiration biopsy.Diagn Cytopathol2007. 35:137\u2013142."},{"key":"i1543-2165-133-1-147-b3","series-title":"Lehrbuch der Pathol Anat","first-page":"9","article-title":"\u00dcber splenoma.","volume":"3","author":"Rokitansky, K.","year":"1861","unstructured":"Rokitansky, K.\n          \n          \u00dcber splenoma.\n          Lehrbuch der Pathol Anat\n          1861. 3:9."},{"key":"i1543-2165-133-1-147-b4","series-title":"Pediatr Dev Pathol","first-page":"231","article-title":"\u201cHamartoma\u201d of the spleen (splenoma) in children.","volume":"7","author":"Abramowsky, C.","year":"2004","unstructured":"Abramowsky, C., C.Alvarado, J. B.Wyly, and R.Ricketts. \u201cHamartoma\u201d of the spleen (splenoma) in children.Pediatr Dev Pathol2004. 7:231\u2013236."},{"key":"i1543-2165-133-1-147-b5","series-title":"Pediatrics","first-page":"10E","article-title":"Symptomatic splenic hamartoma: case report and literature review.","volume":"101","author":"Hayes, T. C.","year":"1998","unstructured":"Hayes, T. C., H. A.Britton, E. B.Mewborne, D. A.Troyer, V. A.Saldivar, and L. A.Ratner. Symptomatic splenic hamartoma: case report and literature review.Pediatrics1998. 101:10E."},{"key":"i1543-2165-133-1-147-b6","series-title":"Am J Med Sci","first-page":"243","article-title":"Case report: splenic hamartoma with hematologic disorders.","volume":"311","author":"Wirbel, R. J.","year":"1996","unstructured":"Wirbel, R. J., U.Uhlig, and K. M.Futterer. 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Splenic vascular lesions: unusual features and a review of the literature.Aust N Z J Surg1999. 69:422\u2013425."},{"key":"i1543-2165-133-1-147-b9","series-title":"Cytopathology","first-page":"200","article-title":"Splenic hamartoma.","volume":"18","author":"Conlon, S.","year":"2007","unstructured":"Conlon, S., D.Royston, and P.Murphy. Splenic hamartoma.Cytopathology2007. 18:200\u2013202."},{"key":"i1543-2165-133-1-147-b10","series-title":"Histopathology","first-page":"603","article-title":"Hamartomas of the spleen: a study of 20 biopsy cases.","volume":"14","author":"Falk, S.","year":"1989","unstructured":"Falk, S. and H. J.Stutte. Hamartomas of the spleen: a study of 20 biopsy cases.Histopathology1989. 14:603\u2013612."},{"key":"i1543-2165-133-1-147-b11","series-title":"Radiographics","first-page":"1137","article-title":"From the archives of the AFIP: primary vascular neoplasms of the spleen: radiologic-pathologic correlation.","volume":"24","author":"Abbott, R. M.","year":"2004","unstructured":"Abbott, R. M., A. D.Levy, N. S.Aguilera, L.Gorospe, and W. M.Thompson. From the archives of the AFIP: primary vascular neoplasms of the spleen: radiologic-pathologic correlation.Radiographics2004. 24:1137\u20131163."},{"key":"i1543-2165-133-1-147-b12","series-title":"Diagn Cytopathol","first-page":"82","article-title":"Fine-needle aspiration cytology of splenic hamartoma.","volume":"28","author":"Lee, S. H.","year":"2003","unstructured":"Lee, S. H.\n          \n          Fine-needle aspiration cytology of splenic hamartoma.\n          Diagn Cytopathol\n          2003. 28:82\u201385."},{"key":"i1543-2165-133-1-147-b13","series-title":"Am Surgeon","first-page":"564","article-title":"Hamartoma of the spleen: a manifestation of tuberous sclerosis.","volume":"41","author":"Darden, J. W.","year":"1975","unstructured":"Darden, J. W., R.Teeslink, and A.Parrish. Hamartoma of the spleen: a manifestation of tuberous sclerosis.Am Surgeon1975. 41:564\u2013566."},{"key":"i1543-2165-133-1-147-b14","series-title":"Arch Surg","first-page":"317","article-title":"The abdominal mass in patients with tuberous sclerosis: surgical implications and report of a case.","volume":"95","author":"van Heerden, J. A.","year":"1967","unstructured":"van Heerden, J. A., M. F.Longo, F.Cardoza, and G. M.Farrow. The abdominal mass in patients with tuberous sclerosis: surgical implications and report of a case.Arch Surg1967. 95:317\u2013320."},{"key":"i1543-2165-133-1-147-b15","series-title":"Cancer Imaging","first-page":"73","article-title":"Tumours of the spleen.","volume":"25","author":"Giovagnoni, A.","year":"2005","unstructured":"Giovagnoni, A., C.Giorgi, and G.Goteri. 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Splenic hamartoma and capillary hemangioma are distinct entities: immunohistochemical analysis of CD8 expression by endothelial cells.Hum Pathol1991. 22:1258\u20131261."},{"key":"i1543-2165-133-1-147-b22","series-title":"Int J Surg Pathol","first-page":"103","article-title":"Splenic hamartoma: immunohistochemical and ultrastructural profile of two cases.","volume":"13","author":"Ali, T. Z.","year":"2005","unstructured":"Ali, T. Z., G.Beyer, M.Taylor, C.Volpe, and J. C.Papadimitriou. Splenic hamartoma: immunohistochemical and ultrastructural profile of two cases.Int J Surg Pathol2005. 13:103\u2013111."},{"key":"i1543-2165-133-1-147-b23","series-title":"World J Gastroenterol","first-page":"6603","article-title":"Littoral-cell angioma of the spleen: a case report.","volume":"13","author":"Cosme, A.","year":"2007","unstructured":"Cosme, A., A.Tejada, and L.Bujanda. et al. Littoral-cell angioma of the spleen: a case report.World J Gastroenterol2007. 13:6603\u20136604."},{"key":"i1543-2165-133-1-147-b24","series-title":"Am J Surg Pathol","first-page":"1023","article-title":"Littoral cell angioma: a novel splenic vascular lesion demonstrating histiocytic differentiation.","volume":"15","author":"Falk, S.","year":"1991","unstructured":"Falk, S., H. J.Stutte, and G.Frizzera. Littoral cell angioma: a novel splenic vascular lesion demonstrating histiocytic differentiation.Am J Surg Pathol1991. 15:1023\u20131033."},{"key":"i1543-2165-133-1-147-b25","series-title":"Am J Surg Pathol","first-page":"1203","article-title":"Littoral cell angiosarcoma of the spleen: case report with immunohistochemical and ultrastructural analysis.","volume":"19","author":"Rosso, R.","year":"1995","unstructured":"Rosso, R., M.Paulli, U.Gianelli, E.Bovert, G.Stella, and U.Magrini. Littoral cell angiosarcoma of the spleen: case report with immunohistochemical and ultrastructural analysis.Am J Surg Pathol1995. 19:1203\u20131208."},{"key":"i1543-2165-133-1-147-b26","series-title":"Histopathology","first-page":"469","article-title":"Splenic littoral cell hemangioendothelioma: a new low-grade variant of malignant littoral cell tumor.","volume":"39","author":"Ben-Lzhak, O.","year":"2001","unstructured":"Ben-Lzhak, O., J.Bejar, S.Ben-Eliezer, and E.Vlodavsky. Splenic littoral cell hemangioendothelioma: a new low-grade variant of malignant littoral cell tumor.Histopathology2001. 39:469\u2013475."},{"key":"i1543-2165-133-1-147-b27","series-title":"Arch Pathol Lab Med","first-page":"974","article-title":"Sclerosing angiomatoid nodular transformation of the spleen.","volume":"131","author":"Awamleh, A. A.","year":"2007","unstructured":"Awamleh, A. A. and B.Perez-Ordonez. 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Littoral-cell angioma of the spleen: a case report.World J Gastroenterol2007. 13:6603\u20136604."},{"key":"i1543-2165-133-1-147-b24","series-title":"Am J Surg Pathol","first-page":"1023","article-title":"Littoral cell angioma: a novel splenic vascular lesion demonstrating histiocytic differentiation.","volume":"15","author":"Falk, S.","year":"1991","unstructured":"Falk, S., H. J.Stutte, and G.Frizzera. Littoral cell angioma: a novel splenic vascular lesion demonstrating histiocytic differentiation.Am J Surg Pathol1991. 15:1023\u20131033."},{"key":"i1543-2165-133-1-147-b25","series-title":"Am J Surg Pathol","first-page":"1203","article-title":"Littoral cell angiosarcoma of the spleen: case report with immunohistochemical and ultrastructural analysis.","volume":"19","author":"Rosso, R.","year":"1995","unstructured":"Rosso, R., M.Paulli, U.Gianelli, E.Bovert, G.Stella, and U.Magrini. 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