[CIS PIDD] [cis-pidd] VS: Adenopathy in patient with Hyper-IgM syndrome

[Seppänen Mikko]

Dear Howard

I have had a BIT similar patient:
(If my memory serves me right in details) at the time of dg 17-y old male, but

a)      with CVID (severe panhypogamma, though possibly never verified with vaccine responses due to eagerness to try to treat symptoms with IVIg),

b)      necrotizing lymphadenitis (mostly upper body/neck) and then

c)       worsening memory-deficit with practically normal MRI

... whom we first thought had CVID+Kikuchi, then CVID+ neuro-SLE, but he turned out to be substance abuser: IVDU, other drugs as well.

Necrotizing lymphadenitis can be seen as a sort of foreign body/allergic reaction occasionally in substance abuse, so You might want to check his patient history and ask the pathologists further whether any signs of this.

My patient: never would have thought (even as a skeptical ID doctor) him as IVDU..... His girlfriend (even presently) had the guts to tell. He is off drugs now (!), but still has very poor memory.

mikko seppänen
MD PhD, associate prof
Immunodef Unit
Helsinki University Central Hospital

Lähettäjä: Howard Lederman [mailto:hlederm1 at jhmi.edu]
Lähetetty: 22. elokuuta 2013 18:08
Vastaanottaja: CIS-PIDD
Aihe: [cis-pidd] Adenopathy in patient with Hyper-IgM syndrome

I need help with a patient hyper-IgM patient who has a necrotizing lymphadenitis.
M.K. is a 16 y/o male with hyper-IgM syndrome of undetermined etiology.  He has had persistent bilateral cervical lymphadenopathy since 6/2012.   Lymphadenopathy first was noted on a routine follow-up exam. A fine needle aspirate of a right cervical node during the summer of 2012, found pus and cultures grew Hemophilus and MRSA.  He was treated with clindamycin and Augmentin for 4 weeks, and then Bactrim for an extended course,  but there was only a slight clinical response.  Pathology from the FNA revealed histiocytic necrotizing lymphadenitis with a mixed lymphoid population.
On 8/29/2012, he underwent an excisional biopsy of 2 large lymph nodes in his right neck.  Pathology showed patchy geographic necrosis. There was no significant apoptotic debris or histiocytes in the necrotic areas which had an almost infracted look. There were abundant histiocytes rimming the necrotic areas. There were few, if any, neutrophils.  The architecture of the lymph nodes was distorted by this necrosis and histiocytes. Reed Sternberg cells or variants were not appreciated.  There were no granulomas identified and the paracortical infiltrate did not resemble viral change. PCR for EBV was negative.  There were scattered microcalcifications. CD68  and MPO staining highlighted abundant histiocytes.  Flow cytometry showed no evidence of lymphoma. AFB and GMS stains showed no evidence of microorganisms.  The morphologic features and immune-phenotype of the node raised the possibility of Kikuchi disease, however, lack of histiocytes and apoptotic bodies inside the necrotic areas was not considered to be consistent with Kikuchi disease.
The area of those biopsies never healed.  Other lymph nodes enlarged, there was a thin, yellow discharge.  The overlying skin broke down, and a sinus tract formed.  A PPD and a Quantiferon-Gold test were negative.  He was treated with prednisone (80 mg or approximately 1 mg/kg/day) with no response.  Enbrel was added, again with no significant clinical response.
In 3/2013, the site of the previous biopsies was opened open for debridement.  There was a large amount of "necrotic, fibrinous, cheesy material" with no obvious intact lymph nodes. He needed months of wound packing for the area to heal, and there continues to be some thin, yellow drainage through the incision sites.   Coagulase negative staphylococcus and Hemophilus influenzae were cultured.  He was treated with antibiotics despite the fact that we thought these organisms were contaminants transmitted from skin into the tissue via the sinus tract.   Prednisone was tapered and Enbrel was discontinued with a slow increase in the size of the lymph nodes
In 7/2013, he had an excisional biopsy of a left cervical lymph node.    Pathology was similar to what was seen last year.  No organisms identifiable by stain.  Coagulase negative staphylococci grew from a culture.  The following week, a culture of wound drainage grew enterococcus.  Once again, he was treated with antibiotics without response.
I have had hyper-IgM patients who develop generalized lymphadenopathy with follicular hyperplasia that usually responds to Rituxan.   This patient has a very different picture for which therapy has been ineffective and for which I do not even have a theory about the pathophysiology.  I wonder if anyone has seen this before, and/or if anyone has an idea for further elucidating the problem or an idea for empiric therapy.
I can email photomicrographs to anyone who wants to see them, but don't think that I am allowed to include an attachment as part of the ListServ distribution.

Howard
Howard M. Lederman, M.D., Ph.D.
Professor of Pediatrics, Medicine and Pathology Division of Pediatric Allergy and Immunology Johns Hopkins Hospital - CMSC 1102 600 N. Wolfe Street Baltimore, MD 21287-3923
Phone: 410-955-5883
Fax: 410-955-0229
Email: Hlederm1 at jhmi.edu<mailto:Hlederm1 at jhmi.edu>

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