Visceral leishmaniasis mimicking autoimmune hepatitis, primary biliary cirrhosis, and systemic lupus erythematosus overlap.
ABSTRACT Visceral leishmaniasis (VL) is a life-threatening infection caused by Leishmania species. In addition to typical clinical findings as fever, hepatosplenomegaly, and cachexia, VL is associated with autoimmune phenomena. To date, VL mimicking or exacerbating various autoimmune diseases have been described, including systemic lupus erythematosus (SLE), rheumatoid arthritis, and autoimmune hepatitis (AIH). Herein, we presented a patient with VL who had overlapping clinical features with SLE, AIH, as well as antimitochondrial antibody (AMA-M2) positive primary biliary cirrhosis.
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ABSTRACT: After HIV epidemic several countries reported co-infections of Leishmania with HIV. The co-infection of these two pathogens results into rapid disease progression, more severe disease and poor response to treatment. A systematic review of literature from India is presented here. On reviewing the literature since first case of visceral leishmaniasis (VL) and HIV was published from India in 1999, a number of cases of HIV-leishmania co-infections have been reported, but the proportion has been low (0.029-0.4%) as reported to other countries where both these diseases are co-endemic. So far, more than 89 cases of VL-HIV and 10 cases of cutaneous leishmaniasis (CL) with HIV have been published since 1999. Of these 10 cases, 5 had simple CL and 5 cases manifested with diffuse cutaneous leishmaniasis (DCL). In addition, one case of post-kala-azar mucocutaneous leishmaniasis (PKML) in a full blown AIDS patient has also been reported. In two cases no clear description could be ascertained whether these were cases of DCL or post-kala-azar dermal leishmaniasis (PKDL). Though the first case of VL-HIV co-infection was reported from sub-Himalayan state of Uttarakhand, most cases are reported from VL endemic state of Bihar. HIV-Leishmania is not alarmingly high in India. Most cases occurred during 1997-2007. After that the number of new cases has gone down. Most probably due to low HIV prevalence in VL and CL endemic regions and free supply of highly active anti-retroviral therapy (HAART) for HIV infected patients.International Journal of Infectious Diseases 10/2014; · 2.33 Impact Factor
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ABSTRACT: Platelet satellitism is considered an uncommon phenomenon with an estimated frequency at 0.008%. About 100 cases have been published. If not recognized, this artifact can lead to an erroneous diagnosis of thrombocytopenia. We report the case of a patient, with cutaneous leishmaniasis, who developed an isolated thrombocytopenia. The blood smear prepared from peripheral blood sample collected with ethylenediaminetetraacetic acid showed platelets rosetting around polymorphonuclear. This phenomenon disappeared after treatment with Glucantime® for fifteen days and improvement of the lesions. We discuss also possible mechanisms to better understand this phenomenon.Annales de biologie clinique 12/2014; 72(6):743-746. · 0.42 Impact Factor
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ABSTRACT: Autoimmune disorders afflicting the liver comprise the bona fide autoimmune diseases, primary biliary cirrhosis, primary sclerosing cholangitis, and autoimmune hepatitis as well as drug-induced autoimmune-like diseases, such as halothane hepatitis. Whereas drug-induced forms of acute or chronic hepatitis often have a clear triggering factor, the etiology of classical autoimmune liver diseases is only poorly understood. Besides a genetic component present in disease susceptible individuals, environmental triggering factors are likely to play a role in the initiation and/or propagation of the disease. In this article, we will review on current evidence obtained from epidemiological associations, case studies, and findings in animal models for pathogens, to be involved in the etiology of autoimmune liver disease with a special focus on autoimmune hepatitis.International Reviews Of Immunology 06/2014; · 5.28 Impact Factor
© 2012, Korean Society for Parasitology
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Leishmaniasis is caused by Leishmania species and has vis-
ceral, cutaneous, and mucocutaneous forms in humans. Vis-
ceral leishmaniasis (VL), also known as kala-azar, a dissemi-
nated and potentially fatal form, is endemic in areas of the trop-
ics, subtropics, and Southern Europe [1,2]. The disease can be
observed sporadically at countries bordering Mediterranean
basin, including Turkey .
Classic clinical features of VL include high fever, anorexia,
hepatomegaly, marked splenomegaly, and pancytopenia due
to severe involvement of reticuloendothelial system (RES) or-
gans, particularly the liver, spleen, and bone marrow. Labora-
tory tests usually show elevated inflammatory markers, marked
eosinopenia, a relative lympho-monocytosis, hypergamma-
globulinemia with hypoalbuminemia, and occasionally evi-
dence of liver damage with raised liver enzymes [1,2].
Diagnosis of leishmaniasis is based on demographic, clini-
cal, and laboratory findings. Definite diagnosis requires dem-
onstration of the parasite either histologically in relevant tis-
sues or with Leishmania-specific immunologic tests . How-
ever, diagnosis could be challenging in sporadic cases and of-
ten delayed, as the main clinical presentation is often identical
to other infectious and non-infectious diseases. Furthermore,
some of VL manifestations are associated with immune respon-
ses of the host to Leishmania that mimic autoimmune diseases
like serum sickness .
Autoimmune phenomena are common in leishmaniasis
which could be related to polyclonal B-cell activation, molecu-
lar mimicry between microbial and host antigens, and altered-
reduced regulatory and suppressor T cell functions [4,5]. As a
consequence of these disturbances, several autoantibodies ap-
pear in the sera of patients with VL, albeit, in most cases ac-
companying clinical manifestations are lacking . On the
other hand, there are several reports on concurrent or mas-
querading presentations with autoimmune diseases, particu-
larly systemic lupus erythematosus (SLE), rheumatoid arthritis,
and cryoglobulinemia in the literature [6-8]. Autoimmune
hepatitis (AIH) is also reported . However, VL resembling
AIH and primary biliary cirrhosis (PBC) overlap hepatitis has
not been described before. Herein, we report a case of VL with
clinical and laboratory features mimicking AIH, PBC overlap
hepatitis, and SLE.
ISSN (Online) 1738-0006
Korean J Parasitol Vol. 50, No. 2: 133-136, June 2012
Visceral Leishmaniasis Mimicking Autoimmune Hepatitis,
Primary Biliary Cirrhosis, and Systemic Lupus
Ozlem Guzel Tunccan1,*, Abdurrahman Tufan2, Gülçin Telli1, Nalan Akyürek3, Merve Pamukçuoğlu4, Güldal Yılmaz3
and Kenan Hızel1
1Department of Clinical Microbiology and Infectious Diseases, 2Internal Medicine Department, Division of Rheumatology 3Department of Pathology,
4Department of Hematology, Gazi University Hospital Besevler, 06500, Ankara, Turkey
Abstract: Visceral leishmaniasis (VL) is a life-threatening infection caused by Leishmania species. In addition to typical clin-
ical findings as fever, hepatosplenomegaly, and cachexia, VL is associated with autoimmune phenomena. To date, VL
mimicking or exacerbating various autoimmune diseases have been described, including systemic lupus erythematosus
(SLE), rheumatoid arthritis, and autoimmune hepatitis (AIH). Herein, we presented a patient with VL who had overlapping
clinical features with SLE, AIH, as well as antimitochondrial antibody (AMA-M2) positive primary biliary cirrhosis.
Key words: Leishmania, visceral leishmaniasis, systemic lupus erythematosus, autoimmune hepatitis, primary biliary cirrhosis
•Received 30 January 2012, revised 3 March 2012, accepted 3 March 2012.
*Corresponding author (email@example.com)
134 Korean J Parasitol Vol. 50, No. 2: 133-136, June 2012
A 26-year-old female patient referred to the rheumatology
department with complaints of anorexia, malaise, weight loss,
joint swelling, and low grade fever. She was living in a Mediter-
ranean region of Turkey. Her past history was notable for pho-
tosensitivity, oral ulcers, and possible thalassemia trait. On ad-
mission, her physical examination was significant for erythema
and symmetrical arthritis at ankles, wrists, and hand joints. The
spleen was palpated 10 cm below the costal margin, and the
liver had a longitudinal size of 15 cm. Erythrocyst sedimenta-
tion rate (ESR) and C- reactive protein was 65 and 19.9 mg/L,
respectively. Complete blood count revealed hemoglobin 10.2
gr/dl, mean corpuscular volume 69 fl, leukocyte 4,000/mm3,
and platelet 157,000/mm3. Other pertinent laboratory data
was as follows: creatinine 0.7 mg/dl (Normal=0.5-1.2), ala-
nine aminotransferase 46 U/L (ALT, Normal<40), aspartate
aminotransferase 51 U/L (AST, Normal<40), alkaline phos-
phatase 67 U/L (ALP, N=53-141), gama-glutamyl transferase
17 U/L (GGT, N=0-50), albumin 3.2 g/dl, globulin 6.9 g/dl,
and lactate dehydrogenase 236 U/L (N=125-243). Her labo-
ratory investigation was positive for anti-nuclear antibody im-
munofluorescence (ANA-IFA), anti-smooth muscle antibody
(ASMA), and Coombs tests on previous referral center. Repeat-
ed ANA was strongly positive as well as antimitochondrial
(AMA-M2) antibodies and Coombs tests. Rheumatoid factor
(RF) was 123 IU/ml (N<20). Liver kidney microsomal (anti-
LKM), anti-cytosolic liver (LC-1), antisoluble liver/liver-pan-
creas (SLA/LP), ASMA, anti-ENA, ds-DNA tests were negative.
Serum C3 and C4 were within normal limits. IgG was 5,810
mg/dl (N=751-1,560) with a polyclonal pattern. A liver biop-
sy was performed to rule out autoimmune hepatitis. Histologi-
cal examination of the liver biopsy revealed robust plasma cell
and lymphocyte infiltrations in the sinusoidal areas, and peri-
ductal and portal small granuloma formation. Histochemical-
ly, plasma cells, which were stained for Methyl Grün Pyronine
(MGP), were found to act as a dominant feature among the in-
flammatory infiltrates in the liver. This finding also supported
and raised the suspicion of autoimmune hepatitis-PBC over-
lap (Fig. 1A, B).
Prednisone was started at a dose of 1 mg/kg under a pre-
sumptive diagnosis of SLE/AIH with a rapid clinical improve-
ment on arthritis, fever, malaise and general condition, liver
function tests, acute phase response, and hypergammaglobu-
linemia. Therefore, azathioprine 50 mg b.i.d. was added to the
therapy with tapering steroid dose. A few weeks after the im-
munosuppression, her leukocyte and platelet counts began to
fall gradually, reaching 1,000/mm3 and 14,000/mm3, respec-
tively. Azathiopurine was discontinued. The patient was trans-
ferred to the infectious diseases department with the diagnosis
of neutropenic fever. An empirical therapy with cefoperazone
sulbactam was started. After 4 days, teicoplanin and flucon-
azole were added to the treatment because of urinary infection
caused by enterococci and Candida albicans. Although, against
this appropriate treatment, her condition got worse, fever con-
tinued, and neutropenia and thrombocytopenia persisted. A
bone marrow aspiration and biopsy were performed to rule
out possible bone marrow pathology.
The bone marrow smears revealed macrophages with nu-
merous Leishmania amastigotes (Fig. 2). The bone marrow bi-
Fig. 1. (A) Indirect cholestatic features with lobular confluent ne-
crosis (H&E stain, ×200). (B) Plasma cells as a dominant com-
ponent of inflammation in the liver (MGP, ×400)
Fig. 2. A bone marrow smear showing macrophages containing
numerous Leishmania amastigotes (May-Grunwald/Giemsa stain,
Tunccan et al.: Visceral leishmaniasis mimicking autoimmune hepatitis, cirrhosis, and SLE 135
opsy also showed Leishmania parasites within macrophages.
The amastigote tissue forms were seen when her liver biopsy
was re-evaluated (Fig. 3). Leishmania IgG was found positive at
a 1/1,280 titer in her serum specimen by indirect immunoflu-
orescent assay. High dose (4 mg/kg/day) intravenous liposo-
mal amphotericin B was given on days 1 to 5 and 10, 17, 24,
31, and 38 days . Then, her fever resolved, and general con-
ditions greatly improved with the exception of neutropenia.
After a dose of granulocyte colony-stimulating factor, her neu-
trophil count also reached to a normal level. No other compli-
cations were observed in the duration of the treatment.
On her follow-up examination at 6 months after amphoter-
icin therapy, she was in good clinical condition with free of any
complaints and had normal blood counts, biochemical ana-
lyzes, and normal gammaglobulin levels. ASMA become nega-
tive, and ANA and AMA-M3 tests remained weak and strong
Leishmaniasis is a parasitic disease, which is transmitted to
humans by sandflies in endemic areas. VL is considered en-
demic in tropical and subtropical regions (Bangladesh, India,
Nepal, Sudan, and Brazil) in the world. However, in other coun-
tries, it is detected in a few cases. In Turkey, VL is seen mainly
in the Aegean, Mediterranean, and Central Anatolia regions,
and Leishmania infantum is the most responsible agent for the
human diasese. Children were at a higher risk of infection, and
only a few adult cases of VL were reported from Turkey [9,11-
Our patient was living in an endemic region. VL is a dissem-
inated intracellular infection with a fatality rate of as high as
90%, unless treated. Classic clinical features include high fever,
severe anorexia, and marked hepatosplenomegaly. Laboratory
tests frequently show pancytopenia, marked eosinopenia, a
relative lympho-monocytosis and hypergammaglobulinemia
with hypoalbuminemia, and occasionally evidence of liver
damages with raised liver enzymes. The diagnosis is based on
a combination of demographic, clinical, laboratory findings,
and confirmation of the disease via demonstration of amasti-
gote tissue forms of parasites or Leishmania-specific immuno-
logical tests [1,2]. VL remains asymptomatic or subclinical in
many cases, or can follow an acute, subacute, or chronic course.
Chronic VL results in delays in diagnosis due to subtle or atyp-
ical presentations .
Autoimmune phenomena are common in Leishmania infec-
tions. This might be due to a release of high amounts of self
antigens as a result of tissue destruction caused by the parasite.
Release of tissue antigens may stimulate the autoreactivity and
autoantibody production. Another possible mechanism is al-
tered host immune responses caused by Leishmania parasites.
Both T and B cells are affected by VL . VL causes polyclonal
B cell activation independent of T cells through mitogen acti-
vation or stimulation of cytokines by other immune cells [4,5].
B cell hyperactivation results in severe hypergammaglobuline-
mia observed in VL. Finally, as demonstrated previously, there
are some molecular mimicry between Leishmania antigens and
host antigens such as ribosomal phosphoproteins expressed
on parasites, causing cross-reactivity [5,14].
Reported autoimmune diseases that were mimicked or exac-
erbated by leishmaniasis are SLE, AIH, rheumatoid arthritis,
polyarteritis nodosa, cryoglobulinemic vasculitis, autoimmune
hemolytic anemia, and Ewan’s syndrome [6-9,11,12]. All of
them, particularly SLE and AIH have clinical and laboratory
features undistinguishable from VL that makes confusion. More-
over, many autoantibodies are formed in VL, even disease spe-
cific ones, including RF, anticitrulline, ANA, ds-DNA, ASMA,
anti-Ro, anti-La, anti-Sm, anti-cardiolipin, and anti-platelet an-
tibodies [4,5,14,15]. Positivity of one or more of these tests
with vague clinical presentations may be misinterpreted as au-
A correct diagnosis of VL was tricky in our patient because
of presentation which was very similar to the autoimmune liv-
er disease and SLE. Though the liver enzymes are frequently
elevated in leishmaniasis, positive autoimmune laboratory tests
and liver biopsy reported as consistent with AIH-PBC overlap
Fig. 3. Clusters of leishmanias within the cytoplasm of Kupffer
cells in the liver (H&E stain, ×1,000)
136 Korean J Parasitol Vol. 50, No. 2: 133-136, June 2012
led us to consider autoimmune overlap hepatitis and SLE as
the cause. Rapid response to prednisone further supported
AIH/SLE diagnosis. Hematological manifestations appeared
later in the clinical course and that was thought as an azathio-
prine side-effect. However, discontinuation of this drug and
escalating prednisone dose did not improve clinical pictures,
and the patient was re-evaluated revealing VL diagnosis.
PBS or its serological marker AMA-M2 positivity has not
been reported in patients with VL, to the best of our knowl-
edge. Persistently high titers of AMA-M2 even 6 months after
the appropriate treatment could be consistent with true diag-
nosis of PBS in our patient which might be concurrent with
VL. However, re-biopsy was refused by the patient.
Leishmaniasis is characterized by multiple immunological
abnormalities and protean clinical manifestations that may be
misinterpreted as various autoimmune diseases. Moreover,
early responses to immunosuppressives may masquerade clin-
ical pictures of VL. Treatment of autoimmune diseases may
worsen the disease and even cause a fatal outcome in VL pa-
tients. Therefore, in case of atypical presentations or treatment
failure in autoimmune diseases, leishmaniasis should be con-
sidered and ruled out.
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