This document presents a case of a 30-year-old female with a 3 month history of fever, 2 month history of multiple joint pains and swelling, and 1 month history of rash over her face and body. Physical examination revealed a febrile patient with erythematous rash, joint swelling and limitation of movement. Laboratory tests showed pancytopenia, elevated ESR and creatinine, low complement levels, and positive ANA and dsDNA antibodies. A renal biopsy was consistent with lupus nephritis. Based on her presentation and test results, the patient was diagnosed with systemic lupus erythematosus.
SLE still an enigma where both patient and health care professionals are blind and do more harm than saving the patient. Hope in future anything can be done to save the patient from the grip of lupus,
SLE still an enigma where both patient and health care professionals are blind and do more harm than saving the patient. Hope in future anything can be done to save the patient from the grip of lupus,
Vasculitis syndrome an approach -and-basic principles of treatmentSachin Verma
Vasculitides are a hetrogenous group of conditions characterized by inflammation and necrosis of blood vessels.
A broad group of syndromes may result from this process,since any type,size, and location of vessel may be involved.
Systemic Lupus Erythematosus (SLE) is a complex autoimmune disease. The immune system attacks the body’s cell and tissue, resulting in inflammation and tissue damage. SLE can affect any part of the body, but most often harms the heart, joints, skin, lungs, blood vessels, liver, kidney and nervous system.
Over 40 different genes predispose to SLE.
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Vasculitis syndrome an approach -and-basic principles of treatmentSachin Verma
Vasculitides are a hetrogenous group of conditions characterized by inflammation and necrosis of blood vessels.
A broad group of syndromes may result from this process,since any type,size, and location of vessel may be involved.
Systemic Lupus Erythematosus (SLE) is a complex autoimmune disease. The immune system attacks the body’s cell and tissue, resulting in inflammation and tissue damage. SLE can affect any part of the body, but most often harms the heart, joints, skin, lungs, blood vessels, liver, kidney and nervous system.
Over 40 different genes predispose to SLE.
Characterized by remission and exacerbation.
Self-Medication is dangerous. Self-Medication may lead to Misdiagnosis of an illness, Drug interactions, Insufficient dosage, Habituation, Allergic reactions, etc. Patients should should not Self-Medicate and consult a doctor to avoid these hazards. Asking doctor a medical query has never been so easy! Lybrate has a pool of doctors available online to offer you credible medical advice. To avail an easy access to doctors across the country, anytime, anywhere download Lybrate apps and get going.
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Systemic Lupus erythematous , is world wide health problem
Here we talk about criteria for diagnosis investigation , Management and complication
With some scenarios to about disease and complication
This presentation encompasses SLE as well Lupus nephritis,Antiphospholipid Syndrome and other special situation related to SLE such as SLE and Pregnancy.
Recent advances in diagnosis & management of SLEShadab Ahmad
Systemic lupus erythematosus (SLE) is an autoimmune disease in which organs and cells undergo damage mediated by tissue binding autoantibodies and immune complexes.
90 % of patients at diagnosis are women of childbearing age groups.
Highest prevalence is in black women and lowest is in white men.
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2. CASE:
30 year/Female
fever for 3 months
multiple joint pains (bilateral knees, wrist and
fingers) and swelling for 2 months
rash over face and body for 1 month
3. History of present illness
Fever, mild, intermittent
Joint pain, associated with mild swelling and limitation
of movement.
Rash erythematous, non-itchy, photosensitive
No h/o morning stiffness of joints, altered sensorium,
any prolonged drug intake or drug allergy, tick
infestation in house
5. PHYSICAL EXAMINATION:
Febrile (100.5 F)
HR : 76/min, regular
BP : 130/80 mmHg
RR : 18/min
Pallor:++
Icterus/cyanosis/clubbing/edema -
No lymphadenopathy
Erythematous rash on face extending over the cheeks and
bridge of the nose , sparing the nasolabial folds. Rash over
body, erythematous.
6. Musculoskeletal- mild swelling and limitation of
movements at bilateral proximal inter-phalangeal
and bilateral wrist joints.
CVS : NAD
CNS: NAD
RESP SYSTEM: NAD
12. Revisiting earlier possibilities
SLE Rheumatoid
arthritis
always
symmetrical joint
invovement
erosive arthritis
Characteristically
has morning
stiffness
Renal
involvement
uncommon
Dermatomyositis
involvement of
naso-labial folds
myopathy not
arthropathy is
common
no renal or
hematological
involvement
Infective
History long
No history of
tick infestation
No leucocytosis
or neutrophilia
Malignancy
no
lymphadenopathy
No organomegaly
Peripheral smear
normal
15. SYSTEMIC LUPUS ERYTHEMATOSUS
an autoimmune disease involving multiple organs in
which injury is caused mainly by deposition of
immune complexes and binding of antibodies to
various cells and tissues
Acute or insidious in onset.
16. EPIDEMIOLOGY:
• Female : Male – 9 : 1
• Common in 2nd – 3rd decade
• Higher prevalence in blacks and Hispanics
17. ETIOLOGY
Genetic factors:
Higher rate of concordance (25%) in monozygotic twins
compared with dizygotic twins(3%)
HLA DR2 and DR3 increases risk to 2-5 times
Inherited deficiencies of complement (C2,C4,C1q), can be
associated.
Non MHC genes –TNFα,MBP, IL-6,HSP 70,STAT4,TLR7
18. ROLE OF HORMONES IN HUMAN SLE
SUSCEPTIBILITY TO SLE DEVELOPMENT:
• Use of exogenous estrogens increases risk in women
• Certain genes on X chromosome such as TREX-1 plays a role in
gender predisposition
HORMONES,SLE ACTIVITY AND PROGNOSIS
• Disease activity tends to reduce after menopause
• Cyclical fluctuation of disease activity in women during the
menstrual cycle.
19. ENVIRONMENTAL FACTORS
Exposure to UV lights:
stimulates keratinocytes to produce more IL-1,IL-3,IL-6 and TNFα stimulating B
cells to make more antibody.
decreases T cell DNA methylation, which may lead to overexpression of
LFA(lymphocyte function associated antigen-1).These T cells may then become
autoreactive, resulting in autoantibody formation.
• Silica dust, cigraette smoke,certain drugs may also increase the risk.
20. IMMUNOLOGICAL FACTORS:
primarily a disease of immune dysregulation, secondary to a loss of self tolerance.
The mediators of SLE are autoantibodies and immune complexes they form with the
antigens
Defective phagocytosis and clearing of immune complexes, leads to their
persistence
the increased autoantibody production and persistence is not downregulated
appropriately by anti-idiotypic antibodies, by CD 4+regulatory Tcells or by CD 8+
suppressor T cells.
Some immune complexes particularly those containing DNA or RNA activate the
innate immune system viaTLR9 or TLR7 respectively.
Dendritic cells are activated and release type 1 interferons and TNFα, T cells release
IFN-gamma, IL 6, IL 10, while NK Cells and T Cells fail to release adequate
quantities of TGF- beta, thus favouring continued autoantibody formation.
26. The large, friable vegetations are denoted by
arrows in infective endocarditis
INFECTIVE ENDOCARDITIS
NON BACTERIAL
ENDOCARDITIS
Nearly complete row of thrombotic
vegetations along the line of closure of
the mitral valve leaflets
30. EVALUATION FOR SUSPECTED SLE
The diagnosis of SLE must be based on proper constellation
of clinical findings and laboratory evidence.
31. INITIAL TESTS:
Full blood count with Differentials:
May reveal leukopenia, mild anemia and thrombocytopenia
ESR and CRP
Levels are elevated
However the level of ESR elevation may show a discrepency
relative to normal CRP level in SLE flares
Clotting tests
A prolongation of the partial thrombomboplastin time would
suggest the presence of lupus anticoagulant and should
prompt checking of antiphospholipid antibodies.
32. Blood culture / Urine culture
To screen for infection
Urinalysis with microscopy
May reveal proteinuria, hematuria and/or cellular casts
Serum urea and creatinine
Elevated level may be seen in renal dysfunction
Complement levels
C3 and C4 levels are often depressed in active SLE as a result of
consumption by immune complex induced inflammation.
33. ANAASSAY
The ANA assay is an ideal screening test because of its sensitivity
(95%) and simplicity.
Technique to detect ANA:
The indirect immunofluorescence test is most widely used assay for
detection of ANA
Titre>1:40 is considered positive
35. OTHER AUTOANTIBODIES:
Antibodies prevelance
Anti-ds DNA 70%
Anti-Sm antigen 30%
Anti-Ro/SSA 30%
Anti-La/SSB 20%
Anti-U1RNP 25%
Antiribosomal P protein 10%
Anti –ds DNA and Anti-Sm antigen is highly specific for SLE
36. LE TEST
Lupus erythematosus (LE) cell test was once performed to diagnose
SLE but has now been replaced by ANA test.
LE cell is any phagocytic leukocyte (neutrophil or macrophage) that
has engulfed the denatured nucleus of an injured cell.
A lupus erythematosus (LE) cell test is considered positive when
approximately 2%-30% of the cells seen on the slide in the neutrophil
count are LE cells.
38. IMAGING
Diagnostic imaging may be valuable, but is not routinely obtained
unless indicated by the presence of symptoms, clinical findings, or
laboratory abnormalities. Examples include:
Plain radiographs of swollen joints. Unlike affected joints in RA,
erosions are observed infrequently in SLE
Renal ultrasonography to assess kidney size and to rule out urinary
tract obstruction when there is evidence of renal impairment
Chest radiography (eg, for suspected pleural effusion, interstitial
lung disease, cardiomegaly).
39. Echocardiography
suspected pericardial involvement, to assess for a source of emboli, or
noninvasive estimation of pulmonary artery pressure; and for evaluation of
suspected valvular lesions, such as verrucae, etc
Computed tomography (CT)
Evaluating abdominal pain, suspected pancreatitis, interstitial lung disease,
etc
Magnetic resonance imaging (MRI)
Evaluating focal neurologic deficits or cognitive dysfunction
40. BIOPSY:
• RENAL BIOPSY:
The 2012 American College of Rheumatology (ACR) guidelines for lupus
nephritis recommend renal biopsy for all cases of active , previously
untreated lupus nephritis, unless contraindicated.
Renal biopsy is used to:
confirm the presence of lupus nephritis;
to aid in classification of systemic lupus erythematous (SLE) nephritis
based on the International Society of Nephrology/Renal Pathology Society
(ISN/RPS) classification
to guide therapeutic decisions.
41. INDICATIONS OF RENAL BIOPSY
Increasing serum creatinine in the absence of strong evidence for another
etiology (eg, sepsis, hypovolemia, medication)
Proteinuria > 1.0 g per 24 hours, as confirmed by 24-hour urine
specimens or spot protein/spot creatinine ratios
Proteinuria ≥ 0.5 g per 24 hours, along with either
(1) hematuria ( ≥5 RBCs/hpf ) or
(2) cellular casts, as confirmed by a minimum of 2 tests within a short
period and in the absence of alternative causes
42.
43. NORMAL GLOMERULUS
MESENGIAL PROLIFERATIVE
GN
. Light micrograph of a normal glomerulus.
There are only 1 or 2 cells per capillary tuft, the
capillary lumens are open, the thickness of the
glomerular capillary wall (long arrow) is similar
to that of the tubular basement membranes
(short arrow), and the mesangial cells and
mesangial matrix are located in the central or
stalk regions of the tuft (arrows).
Light micrograph of a mesangial
glomerulonephritis showing segmental areas of
increased mesangial matrix and cellularity
(arrows).
44. Light micrograph showing a membranoproliferative pattern in lupus nephritis,
characterized by areas of cellular proliferation (long arrows) and by thickening of the
glomerular capillary wall (due to immune deposits) that may be prominent enough to
form a "wire-loop" (short arrows). Although proliferative changes can be focal
(affecting less than 50 percent of glomeruli), disease of this severity is usually diffuse
MEMBRANOPROLIFERATIVE
GN
45. Kidney biopsy from a
patient with diffuse
proliferative lupus
nephritis showing, on
immunofluorescence
microscopy, massive,
lumpy deposits of IgG
46. Light micrograph of membranous lupus nephritis. The changes are
similar to those in any form of membranous nephropathy with diffuse
thickening of the glomerular capillary wall being the major abnormality
(short arrows). Focal areas of mesangial expansion and hypercellularity
(long arrows) are the only findings suggestive of an underlying disease
such as lupus, although they can also be seen in idiopathic membranous
nephropathy.
MEMBRANOUS LUPUS NEPHRITIS
47. Electron micrograph of a normal glomerular
capillary loop showing the fenestrated
endothelial cell (Endo), the glomerular
basement membrane (GBM), and the
epithelial cells with its interdigitating foot
processes (arrow). The GBM is thin, and no
electron-dense deposits are present. Two
normal platelets are seen in the capillary
lumen.
Electron micrograph of membranous lupus
nephritis. The subepithelial immune deposits
(D) are characteristic of any form of
membranous nephropathy, but the
intraendothelial tubuloreticular inclusions
(arrow) strongly suggest underlying lupus.
48. Skin biopsies:
Histologically the
involved areas shows:
vacuolar degeneration
of the basal layer of
epidermis
In the dermis there is
edema and perivascular
inflammation.
50. POOR PROGNOSTIC INDICATORS
Male sex
Black racial background
Young age at onset of nephritis
Hypertension
Nephrotic syndrome
Elevated creatinine level(>3 mg/dl) at presentation
Renal biopsy findings showing diffuse lupus nephritis
51. Goals of therapy
– Stop and reverse ongoing organ inflammation
– Prevent or limit irreversible end-organ damage
the average 10 year survival rates >90%, with newer
immunosuppressive therapies
52. Treatement;
Non pharmocological treatement:
Sun protection: avoid sun exposure and use sunscreens.
Pharmocological treatement:
Hydroxychloroquine/chloroquine
Prednisolone
Immunosuppresive drugs like
azathioprine,methotrexate,cyclophosphamide
Belimumab:B – lymphocyte stimulator specific inhibitor
54. CONDITION DIFFERENTIATING
SIGNS/SYMPTOMS
DIFFERENTIATING
TESTS
Rheumatoid
arthritis
• May be difficult to differentiate
clinically
• Patients with SLE frequently
presents with pattern similar to
arthritis, although it tends to be
less symmetrical
• In RA Joint x-rays
demonstrate
symmetrical, erosive
arthritis.
• Serologic abnormalities
such as anti-cyclic
citrullinated peptides
(CCP) suggests RA,
Systemic sclerosis
• Raynaud's phenomenon is
present in almost all patients
• Patients with SLE often have
Raynaud's phenomenon as well,
but these tend not to ulcerate
compared with patients with
systemic sclerosis.
• systemic sclerosis have
characteristic sclerodactyly and
calcinosis, not present in SLE.
• Auto-antibodies: positive
anti-centromere
antibodies (limited
cutaneous systemic
sclerosis) or anti-
topoisomerase 1 (Scl-
70) antibodies (diffuse
cutaneous systemic
sclerosis).
55. Sjögren’s syndrome
• patients with Sjögren’s
syndrome should have
objective signs of
keratoconjunctivitis sicca
and xerostomia
• salivary gland biopsy is
essential for diagnosis of
sjogren’s syndrome.The
key histologic feature is
a focal collection or
collections of tightly
aggregated
lymphocytes, which are
typically periductal.
• anti-SSA, anti-SSB are
present in 70-95% of
patients
Mixed connective tissue
disorders
• MCTD is characterised
by a combination of
manifestations similar to
those in SLE, systemic
sclerosis, and myositis.
Difficult to differentiate
clinically.
Auto-antibodies: positive
anti-RNP antibodies are
specific to MCTD.
Patients with MCTD tend to
lack other antibodies such
as anti-Sm, anti-Ro, anti-
La, and anti-dsDNA.
56. Dermatomyositis (DM)
and polymyositis (PM)
DM and PM demonstrate more
symetrical proximal muscle
weakness
Patients with DM may have
characteristic skin findings
including Gottron’s papules, a
heliotrope eruption and
poikiloderma (including the shawl
and V signs).
The specific anti-Jo-1
antibody can help
differentiate the
diagnosis with SLE.
malignancies • Leukemia or myelodysplastic
syndromes may present with
hematologic and constitutional
symptoms similar to those
observed in SLE.
• Patients with lymphoma also
typically have additional findings
such as splenomegaly,
lymphadenopathy, or increased
lactate dehydrogenase (LDH)
levels.
monoclonal expansion
of B and T cells (as
assessed by
immunophenotyping),
monocytosis, or
macrocytosis can
distinguish these
malignancies from SLE.
57. Behçet’s disease • Oral aphthae are present
in almost all patients with
Behçet’s disease, and
may be observed in
patients with SLE.
• Other overlapping
features include
inflammatory eye
disease, neurologic
disease, vascular
disease, and arthritis
• Behcet’s commonly
occurs in males
patients with Behçet’s are
ANA-negative. Also,
vascular involvement of any
size (small, medium, large)
is more commonly a feature
of Behçet’s disease rather
than SLE.
Drug induced lupus • The clinical symptoms
are mild and reversable
after discontinue
medication.
• CNS and kidney are
unusually involved.
The antihistone antibodies
differentiate the diagnosis
with SLE.