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Abstract
A patient walked into the accident and emergency department with spontaneous onset of left-sided abdominal pain. Physical examination suggested the presence of an acute abdominal condition. He was admitted to the surgical ward with a provisional diagnosis of perforated peptic ulcer. Emergency laparotomy revealed haemoperitoneum caused by rupture of the spleen. Pathologic examination confirmed the rare diagnosis of splenic peliosis. Emergency physicians should be aware of the possibility of atraumatic splenic rupture as a cause of spontaneous haemoperitoneum, bearing in mind that isolated splenic peliosis (also known as peliosis lienis) is one of the causes of pathologic splenic rupture.
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Visceral Leishmania as Unusual Cause of Splenic Peliosis in the United States. ACG Case Rep J 2013; 1:61-3. [PMID: 26157823 PMCID: PMC4435270 DOI: 10.14309/crj.2013.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Accepted: 09/10/2013] [Indexed: 11/17/2022] Open
Abstract
A 3-year-old female presented with splenomegaly and hypersplenism manifestations, including anemia, thrombocytopenia, and abdominal pain/distention. All common metabolic, hematologic, gastrointestinal, and infectious etiologies for splenomegaly were excluded. Diagnosis of idiopathic splenic peliosis was made and splenectomy was recommended. History revealed that the patient's mother had acquired a nonspecific skin infection during a visit to the Middle East 2 years prior. Serum antibodies and confirmatory PCR testing for visceral leishmaniasis were positive. After treatment with liposomal amphotericin, at 6-month follow-up her hypersplenism manifestations had resolved and her splenomegaly had significantly decreased. Visceral leishmaniasis should be considered in cases of marked splenomegaly, anemia, and thrombocytopenia, especially with a history of visiting an endemic area.
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Singh-Ranger G, Rajarajan N, Aftab S, Stoker D. Splenic peliosis - a potentially fatal condition which can mimick malignancy. INTERNATIONAL SEMINARS IN SURGICAL ONCOLOGY 2007; 4:27. [PMID: 18067667 PMCID: PMC2222050 DOI: 10.1186/1477-7800-4-27] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2007] [Accepted: 12/08/2007] [Indexed: 01/07/2023]
Abstract
Isolated splenic peliosis is an extremely rare occurrence, and this disease often manifests itself with spontaneous haemoperitoneum. We report a case where an otherwise healthy patient was found to have splenomegaly on clinical examination. On computerised tomography, a diagnosis of splenic malignancy was made, and the patient underwent a splenectomy. Histological examination gave the diagnosis of splenic peliosis, which had not been considered prior to the operation. In retrospect, splenectomy was the most prudent course of action, as the risk of spontaneous haemorrhage and fatality was eliminated. This case emphasises the need to retain an index of suspicion for this condition, even in otherwise healthy patients, and is a reminder of the usefulness of total splenectomy in the current era of minimally invasive diagnostic techniques.
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Affiliation(s)
- Gurpreet Singh-Ranger
- Department of General Surgery, North Middlesex University Hospital, Sterling Way, Edmonton, London, UK.
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4
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Abstract
Peliosis is a pathological entity characterized by the gross appearance of multiple cyst-like, blood-filled cavities within parenchymatous organs. Peliosis has been related to several underlying debilitating illnesses such as tuberculosis, hematological malignancies, the acquired immunodeficiency syndrome (AIDS), and post-transplant immunodeficiency, as well as intravenous drug abuse, chronic alcoholism, and in conjunction with the intake of oral contraceptives or steroids. The classical pathoanatomical concept is based upon the opinion that peliosis exclusively develops in organs belonging to the mononuclear phagocytic system (liver, spleen, bone marrow, and lymph nodes). However, a paucity of studies indicates that other organs such as lungs, parathyroid glands, and kidneys may be affected too. Concerning the underlying pathogenetic mechanisms of onset and maintenance of peliosis, the morphological data obtained by different investigators suggest that there is more than one path of formal pathogenesis (e.g., congenital malformation of vessels manifesting under altered local intravascular pressure conditions, acquired vascular disorder triggered by toxic noxae, active proliferation of vessels corresponding to the benign end on the spectrum of neoplastic vascular lesions). In the liver, at gross inspection, the peliotic lesions give the cut sections a "swiss cheese" appearance. Microscopically, two different types of peliosis can be distinguished in the liver: (1) "parenchymal peliosis" consisting of irregular cavities that are neither lined by sinusoidal cells nor by fibrous tissue, and (2) "phlebectatic peliosis" characterized by regular, spherical cavities lined by endothelium and/or fibrosis. One of the differential diagnoses that most closely resembles peliosis hepatis is secondary hepatic congestion due to veno-occlusive disease or the Budd-Chiari syndrome. In the spleen, the peliotic lesions may be arranged sporadically, disseminated, or in clusters in an uneven distribution pattern. Histologically, the cavities show frequently well-demarcated margins that may appear focally lined by sinusoidal endothelium, or totally lack a clear cell lining. Differential diagnoses are hemangiomas and involvement of the spleen in hairy-cell leukaemia. Since the disease may culminate in spontaneous rupture of the affected organ and thus may mimic a violent death at autopsy, peliosis is far more than just another morphological curiosity. Awareness of peliosis at autopsy as well as an appreciation for the histopathological changes in less characteristic or advanced cases may become an important issue for both the forensic and clinical pathologist.
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Affiliation(s)
- Michael Tsokos
- Department of Forensic Pathology, Institute of Legal Medicine, University of Hamburg, Butenfeld 34, 22529 Hamburg, Germany.
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5
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Abstract
Isolated peliosis of the spleen, characterized by the gross appearance of multiple cystlike, blood-filled cavities on cut surfaces of the organ, is a very rare pathologic entity that has been reported in 33 cases to date. We present 2 additional cases of isolated peliosis of the spleen observed at autopsy and confirmed by histology. In both cases investigated, cirrhosis of the liver was present. We hypothesize that local microcirculatory disturbances manifesting under altered local intravascular pressure conditions in the spleen may, at least to a certain degree, be responsible for the peliosis-associated vascular lesions. For the forensic pathologist, isolated peliosis of the spleen represents more than just another morphologic curiosity. The significance of peliosis lienalis lies in the potential of (1) overlooking the correct diagnosis as the cause of a spontaneous splenic rupture with intraabdominal hemorrhage, thus leading to the false conclusion of a violent death; and (2) misinterpreting the macromorphological appearance of this rare disease, also in the absence of splenic rupture, as a result of blunt force trauma.
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Affiliation(s)
- Michael Tsokos
- Institute of Legal Medicine, University of Hamburg, Hamburg, Germany.
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Steininger H, Pfofe D, Marquardt L, Sauer H, Markwat R. Isolated diffuse hemangiomatosis of the spleen: case report and review of literature. Pathol Res Pract 2005; 200:479-85. [PMID: 15310152 DOI: 10.1016/j.prp.2004.04.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Small localized hemangiomas are common neoplasms of the spleen. Isolated diffuse splenic hemangiomatosis, however, is very rare. This lesion can be accompanied by severe hypersplenism and other complications. We report on a case with significant splenomegaly caused by diffuse hemangiomatosis, which was an incidental finding without any clinical disorders. After splenectomy, the normal parenchyma was found to be widely replaced by multiple spongy nodules. Histologically, cavernous vessels were distributed throughout the whole organ, with endothelial cells expressing vimentin, factor VIII and CD 31, but not CD8. Splenic sinus lining cells exhibited a strongly positive reaction with CD8, which became faint and disrupted in highly dilated sinuses in the vicinity of cavernous vessels. In some areas, there seemed to be a gradual transition from cystically dilated splenic sinuses to cavernous vessels. The differential diagnosis must consider other splenic vascular tumors, such as littoral cell angioma, lymphangioma, peliosis of the spleen, and hamartoma. The pathogenesis of diffuse splenic hemangiomatosis is controversial, and a malformative or neoplastic origin is under debate. A derivation from splenic sinusoidal cells was suggested by some authors, but was rejected by others. Our findings cannot exclude a neoplastic origin from splenic sinuses but, finally, the etiology and pathogenesis of this vascular lesion remain uncertain.
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Affiliation(s)
- H Steininger
- Department of Pathology, Municipal Hospital of Friedrichshafen, Roentgenstrasse, Friedrichshafen, FRG, Germany.
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Joseph F, Younis N, Haydon G, Adams DH, Wynne S, Gillet MB, Maurice YM, Lipton ME, Berstock D, Jones IR. Peliosis of the spleen with massive recurrent haemorrhagic ascites, despite splenectomy, and associated with elevated levels of vascular endothelial growth factor. Eur J Gastroenterol Hepatol 2004; 16:1401-6. [PMID: 15618852 DOI: 10.1097/00042737-200412000-00027] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We present the case of a 33-year-old man with isolated splenic peliosis, a rare pathological condition characterized by blood filled cystic lesions. The patient presented with recurrent massive haemorrhagic ascites, which did not resolve, despite a splenectomy. He was found to have massively elevated levels of vascular endothelial growth factor (VEGF). The clinical course of the disease was prolonged. Repeated blood transfusions for recurrent anaemia were required, in addition to repeated aspiration of reaccumulating haemorrhagic ascites and pleural effusion. The clinical course was not in keeping with previously reported cases. We have described an atypical clinical presentation in a patient with isolated splenic peliosis associated with elevated VEGF concentrations. No previously known associations for the condition were found despite thorough investigations. Management of the patient has been symptomatic and palliative. We have reviewed the various reported associations of peliosis and discussed the possible role of VEGF in this patient's condition.
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Affiliation(s)
- Franklin Joseph
- Department of Medicine, Arrowe Park Hospital, Wirral, Merseyside, UK.
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Kraus MD, Dehner LP. Benign vascular neoplasms of the spleen with myoid and angioendotheliomatous features. Histopathology 1999; 35:328-36. [PMID: 10564387 DOI: 10.1046/j.1365-2559.1999.00730.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
AIMS To present the clinical light microscopic and immunophenotypic features of a distinctive vascular neoplasm of the spleen. METHODS AND RESULTS Two of the splenic lesions arose in children, and one was found in an adult. They ranged from 19 to 40 mm diameter and histologically were quite similar. Sheets of large epithelioid cells with a spectrum of nuclear configurations ranging from oval and vesicular to twisted and hyperchromatic were noted in each case. Distinct or prominent nucleoli were present in many cells, and occasional cells had nuclear pseudoinclusions. In two cases, bands of basophilic, fibroblast-rich stroma with scattered chronic inflammatory cells were present. The mitotic rate ranged from 0/10 high-power fields (HPF) to 0.5/10 HPF in these epithelioid cells. The vascular nature of these tumours was manifested as a sieve-like array of round, erythrocyte-filled spaces, most with attenuated and cytologically bland lining cells. The polygonal, epithelioid cells exhibited the following phenotype: smooth muscle actin (SMA)+, muscle specific actin (MSA)+, vimentin+, CD31-, CD34-, CD21-, CD8-, CD68- (2/3 cases), S100-, while the lining cells were CD34+, vimentin+ and SMA-, with variable CD31 and factor VIII related antigen expression. Elongated SMA+, MSA+ cell processes were evident in one case, reminiscent of previously characterized myoid elements of the normal spleen. An uneventful follow-up was noted for all three patients. CONCLUSIONS The histology and immunophenotype set these neoplasms apart from classic hamartomas, haemangiomas and previously characterized (haem)angioendotheliomas of the spleen, and may represent proliferations of myoid elements native to the spleen.
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Affiliation(s)
- M D Kraus
- The Lauren V. Ackerman Division of Anatomic Pathology, Washington University School of Medicine, St. Louis, Missouri 63110, USA
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Dufau JP, le Tourneau A, Audouin J, Delmer A, Diebold J. Isolated diffuse hemangiomatosis of the spleen with Kasabach-Merritt-like syndrome. Histopathology 1999; 35:337-44. [PMID: 10564388 DOI: 10.1046/j.1365-2559.1999.00726.x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
AIMS Diffuse haemangiomatosis of the spleen is a rare benign vascular condition occurring as a manifestation of systemic angiomatosis or, less commonly, confined to the spleen. It is sometimes accompanied by severe disturbance of blood coagulation. The goal of this study was to characterize an additional case of isolated diffuse haemangiomatosis of the spleen and to determine the histogenesis of this lesion which remains obscure. METHODS AND RESULTS We describe a case of isolated diffuse haemangiomatosis of the spleen in which histological and immunohistological findings suggested the possibility of a malformative tumour-like lesion. The pathological cavernous vessels were distributed randomly through the red pulp, without continuity with sinuses. The endothelial cells expressed vimentin, factor VIII related antigen and CD34, but not CD8. Some cells lining the sinus lumen expressed CD68, lysozyme and myeloperoxidase. In addition, trabecular veins presented with intimal thickening. These results allow making a diagnosis between diffuse haemangiomatosis and other tumours/tumour-like lesions of the spleen, especially littoral cell angioma, splenoma and peliosis. CONCLUSION If diffuse haemangiomatosis is usually classified as a benign proliferation of endothelial cells, we suggest that diffuse haemangiomatosis, when confined to the spleen, could be a tumour-like vascular lesion. In this hypothesis, the aetiology may be hamartomatous or malformative as is suspected in arterio-venous haemangioma of the lower extremities. The histogenesis is still questionable and no definitive proof in favour of one or the other hypothesis has been reported.
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Affiliation(s)
- J P Dufau
- Service d'Anatomie Pathologique, Hôpital d'Instruction des Armées Percy, Clamart, France.
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Lam KY, Chan AC, Chan TM. Peliosis of the spleen: possible association with chronic renal failure and erythropoietin therapy. Postgrad Med J 1995; 71:493-6. [PMID: 7567760 PMCID: PMC2398206 DOI: 10.1136/pgmj.71.838.493] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Splenic peliosis was identified at necropsy in a 62-year-old woman receiving continuous ambulatory peritoneal dialysis for end-stage renal failure, and erythropoietin therapy for uraemia and anaemia. The immediate cause of death was arrhythmia related to ischaemic heart disease, following an episode of intramuscular haematoma (secondary to platelet dysfunction). The unusual association between peliosis and renal failure, and possibly erythropoietin therapy, is discussed.
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Affiliation(s)
- K Y Lam
- Department of Pathology, Queen Mary Hospital, Hong Kong
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11
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Abstract
Rare anomaly: peliosis lienis, which was found in the spleen of a woman splenectomised for rupture, is presented. Speculations on the etio-pathogenesis of this peculiar disorder are discussed based on literary data. The awareness of this pathological curiosity may be of practical importance because of the hazard of life-threatening haemorrhagic consequences following rupture of the lesions.
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Affiliation(s)
- S Gábor
- Department of Pathology, Teaching Hospital Tétényi, Budapest, Hungary
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Perkocha LA, Geaghan SM, Yen TS, Nishimura SL, Chan SP, Garcia-Kennedy R, Honda G, Stoloff AC, Klein HZ, Goldman RL. Clinical and pathological features of bacillary peliosis hepatis in association with human immunodeficiency virus infection. N Engl J Med 1990; 323:1581-6. [PMID: 2233946 DOI: 10.1056/nejm199012063232302] [Citation(s) in RCA: 221] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
BACKGROUND Peliosis hepatis is characterized by cystic, blood-filled spaces in the liver and is seen in patients with chronic infections or advanced cancer and as a consequence of therapy with anabolic steroids. Cutaneous bacillary angiomatosis is a bacterial infection that occurs in patients with human immunodeficiency virus (HIV) infection; its histologic appearance is that of a pseudoneoplastic vascular proliferation. METHODS We studied liver tissue from eight HIV-infected patients with peliosis hepatis, two of whom also had cutaneous bacillary angiomatosis. For comparison we examined tissue from four patients who had peliosis hepatis without HIV infection. Tissues were examined histologically on routine sections and with special stains and electron microscopy. RESULTS The histologic features seen in peliosis hepatis associated with HIV infection, but not in the four cases unrelated to HIV infection, were myxoid stroma and clumps of a granular purple material that on Warthin-Starry staining and electron microscopy proved to be bacilli. The bacilli, which could not be cultured, were morphologically identical to those found in the skin lesions of cutaneous bacillary angiomatosis. The clinical courses of two of the patients with this "bacillary peliosis hepatis" indicate that it responds to antibiotic treatment. CONCLUSIONS HIV-associated bacillary peliosis hepatis is an unusual, treatable opportunistic infection, probably caused by the same organism that causes cutaneous bacillary angiomatosis. Our failure to find bacilli in non-HIV-associated cases implies that other pathogenetic mechanisms may also be responsible for peliosis hepatis.
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Affiliation(s)
- L A Perkocha
- Department of Pathology, University of California, San Francisco
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Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 48-1985. A 69-year-old man with peripheral vascular disease and hypersplenism. N Engl J Med 1985; 313:1405-12. [PMID: 4058534 DOI: 10.1056/nejm198511283132208] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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