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Case Report/Case Series |

Chronic Granulomatous Otitis Externa as an Initial Presentation of Cutaneous Crohn Disease FREE

Eileen M. Raynor, MD1
[+] Author Affiliations
1Division of Otolaryngology–Head and Neck Surgery, Duke University Medical Center, Durham, North Carolina
JAMA Otolaryngol Head Neck Surg. 2014;140(8):765-767. doi:10.1001/jamaoto.2014.1211.
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Importance  In the limited number of Crohn disease cases involving the head and neck, there is a predilection for mucosal surfaces and rare reports of involvement in the postauricular region. To our knowledge, in all previously reported cases involving the head and neck, the patients had a known diagnosis of Crohn disease.

Observations  This case describes a 10-year-old boy with a history of psoriasis and psoriasiform dermatitis who presented with bilateral chronic granulomatous otitis externa, obliteration of the external auditory canal, and fissuring, resulting in separation of the lobule from the preauricular skin.

Conclusions and Relevance  Pathologic examination results were consistent with granulomatous dermatitis concerning for cutaneous Crohn disease, and a subsequent gastroenterologic workup confirmed the diagnosis of Crohn disease. This is a report of chronic granulomatous otitis as the initial presentation of cutaneous Crohn disease in a child.

Figures in this Article

In the majority of patients with cutaneous Crohn disease, the gastrointestinal diagnosis is well established prior to the skin manifestation. These patients often present with noncaseating granulomatous lesions involving the groin or scrotal areas. Of the 14 reported cutaneous Crohn disease cases in children, only 1 involved the oral cavity (lip mucosa) and none had facial or auricular lesions.1 Patients who had lesions involving the facial skin and retroauricular area were adults with a long history of previously diagnosed inflammatory bowel disease (IBD).2 The diagnosis of IBD in pediatric patients is generally difficult because of vague symptomatology and lack of substantial gastrointestinal symptoms, leading to a mean delay in diagnosis of 3.5 months.3 In this particular study, none of the 31 patients studied had cutaneous manifestations of their disease.

The present case involves a 10-year-old patient presenting with a several-year history of chronic granulomatous otitis externa and multiple cutaneous lesions involving his scalp, extremities, trunk, and groin ultimately diagnosed as cutaneous Crohn disease. His condition improved when he started receiving tumor necrosis factor inhibitor therapy.

A 10-year-old boy with a long history of psoriasis involving his scalp, face, and ears who was under the observation of a dermatology clinic presented to the pediatric otolaryngology clinic with a several-year history of recurrent bilateral painful draining ears, as well as skin breakdown and decreased hearing. He was initially treated with 6% salicylic acid for his psoriasis, cephalexin for secondary bacterial skin infections, and ciprofloxacin and dexamethasone otic suspension for his otitis externa. Culture samples of his otorrhea grew Corynebacterium. There was no other pertinent medical history. He has no family history of autoimmune disease or IBD. He had no gastrointestinal complaints (ie, diarrhea, hematochezia, abdominal pain, nausea or vomiting) except for occasional constipation. He also denied tinnitus or vertigo but complained of severe bilateral otalgia, decreased hearing, and drainage.

On physical examination he had erythematous, edematous auricles with copious purulent otorrhea bilaterally (Figure 1 and Figure 2). Otomicroscopy revealed granulation and substantial stenosis of the external auditory canals such that the tympanic membranes could not be visualized. The preauricular creases exhibited severe skin breakdown and ulceration with a separation of the lobule from the facial skin. He did not have any oral or nasal mucosal lesions and had no other lesions on his face or neck. He was taken to the operating room, where he underwent debridement of the external auditory canals and tissue biopsies, as well as culture of the purulent drainage. Findings included severe stenosis of both external auditory canals with granulation tissue and normal tympanic membranes. There was no middle ear effusion or inflammation. There was separation of the helix and lobule from the facial skin due to fissuring and ulceration. Dexamethasone sodium phosphate–soaked wicks were placed into the canals bilaterally and the helix treated with silver sulfadiazine ointment and MeroGel dressing.

Place holder to copy figure label and caption
Figure 1.
Right External Ear

Right ear, demonstrating stenosis of the external auditory canal and fissuring of the preauricular crease.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Left External Ear

Left ear, demonstrating erythema of the helix superiorly and scarring inferiorly along the preauricular crease and lobule.

Graphic Jump Location

Pathological analysis showed granulomatous dermatitis with suppurative infiltrate, plasma cells, and giant cells. The biopsy also demonstrated overlying spongiosis and neutrophilic infiltrate without foreign-body material. He also underwent biopsy of his groin skin by dermatology clinic staff at that time with similar pathologic findings. These findings were indicative of pyoderma gangrenosum secondary to cutaneous Crohn disease.

After confirmation of the Crohn disease diagnosis with a gastrointestinal evaluation, he was prescribed infliximab and continued receiving methotrexate, as well as cephalexin and tacrolimus topical ointment, with substantial improvement in the cutaneous manifestations. He continues to have moderate stenosis of the external auditory canals but no longer has otorrhea and ulceration. His hearing loss resolved with the resolution of the granulation tissue and otorrhea.

Cutaneous manifestation of Crohn disease was first described in 1965 and mainly affects adults with a previous diagnosis of IBD. The majority of the cutaneous lesions involve the groin and anal areas, causing fissuring and scarring. Only 14 cases have been reported in children 18 years or younger. To date, there have been 80 reported cases of cutaneous Crohn disease; however, only 17 preceded the diagnosis of gastrointestinal disease. In the head and neck area, oral mucosal lesions account for 5% to 20% of these manifestations, with up to 90% containing granulomas on pathologic examination. The retroauricular crease, submammary folds, and extremities make up the remaining extragenital regions.1 Cutaneous manifestations range in severity and pathologic findings, including a psoriatic presentation. It is hypothesized that patients have an immunologic reaction to colonic bacterial–based protein fragments, leading to the cutaneous granulomatous findings.4

The prevalence of cutaneous manifestations is essentially the same for Crohn disease and ulcerative colitis (9%-23% vs 9%-19%) despite the difference in genetic loci (IBD1 for Crohn disease and HLA-B27 for ulcerative colitis). There are also differences in the cutaneous lesions, in that Crohn disease lesions often involve mucous membranes and that the severity of the cutaneous lesions does not reflect the gastrointestinal disease state.5 These lesions range in severity. Erythema nodosum is the most common cutaneous manifestation and involves the extensor surfaces of the lower extremities but may also involve the upper extremities or face. Pyoderma gangrenosum is seen with immune dysregulation, and in up to 50% of patients it is associated with underlying systemic disease including IBD. These lesions present as enlarging ulcers with granulating borders and are commonly misdiagnosed as infectious or foreign-body reactions. Pyostomatitis vegetans affects the lips and buccal mucosa of patients with IBD and is also believed to be a result of immune dysregulation. Cutaneous polyarteritis nodosa is a recurring vasculitis of the small arteries in the reticular dermis and is distinguished from other vasculitides histologically by panarteritis and perivascular inflammation in the lesion and no activity in surrounding tissue. In cases in which the skin is involved, the severity of the skin lesion is often not correlative with the degree of gastrointestinal involvement.6

Treatment of cutaneous manifestations ranges from treatment of the underlying IBD for erythema nodosum to topical corticosteroids, tacrolimus, infliximab, systemic steroids, methotrexate, and possibly colectomy for recalcitrant pyoderma gangrenosum. Tumor necrosis factor inhibitors (infliximab) are considered first-line treatment for refractory pyoderma gangrenosum. Cutaneous polyarteritis nodosa may be treated with nonsteroidal anti-inflammatory drugs or corticosteroids, whereas pyostomatitis vegetans would be treated more like pyoderma gangrenosum and is only identified in association with IBD. Other associated cutaneous conditions include psoriasis, vitiligo, arthritis, eczema, clubbing of the nails, and acrodermatitis, thereby making the diagnosis more difficult in the absence of gastrointestinal symptoms.5

This case highlights an unusual otologic presentation of Crohn disease in a child with presumed psoriasis and eczematoid dermatitis and a previously unknown diagnosis of IBD whose condition did ultimately respond to tumor necrosis factor inhibitor therapy after the diagnosis of IBD was established. He does continue to have scarring and moderate stenosis of both external auditory canals but no longer has drainage, granulation, or fissurization of the preauricular skin.

Submitted for Publication: February 10, 2014; final revision received March 26, 2014; accepted April 20, 2014.

Corresponding Author: Eileen M. Raynor, MD, Division of Otolaryngology–Head and Neck Surgery, Duke University Medical Center, DUMC Box 3805, Durham, NC 27710 (eileen.raynor@duke.edu).

Published Online: July 17, 2014. doi:10.1001/jamaoto.2014.1211.

Conflict of Interest Disclosures: None reported.

Ploysangam  T, Heubi  JE, Eisen  D, Balistreri  WF, Lucky  AW.  Cutaneous Crohn’s disease in children. J Am Acad Dermatol. 1997;36(5, pt 1):697-704.
PubMed   |  Link to Article
Chuah  JH, Kim  DS, Allen  C, Hollis  L.  Metastatic Crohn’s disease of the ear. Int J Otolaryngol. 2009;2009:871567.
PubMed   |  Link to Article
Kwon  YH, Kim  YJ.  Pre-diagnostic clinical presentations and medical history prior to the diagnosis of inflammatory bowel disease in children. Pediatr Gastroenterol Hepatol Nutr. 2013;16(3):178-184.
PubMed   |  Link to Article
Crowson  AN, Nuovo  GJ, Mihm  MC  Jr, Magro  C.  Cutaneous manifestations of Crohn’s disease, its spectrum, and its pathogenesis: intracellular consensus bacterial 16S rRNA is associated with the gastrointestinal but not the cutaneous manifestations of Crohn’s disease. Hum Pathol. 2003;34(11):1185-1192.
PubMed   |  Link to Article
Thrash  B, Patel  M, Shah  KR, Boland  CR, Menter  A.  Cutaneous manifestations of gastrointestinal disease: part II. J Am Acad Dermatol. 2013;68(2):e1-e33.
PubMed   |  Link to Article
Chen  W, Blume-Peytavi  U, Goerdt  S, Orfanos  CE.  Metastatic Crohn’s disease of the face. J Am Acad Dermatol. 1996;35(6):986-988.
PubMed   |  Link to Article

Figures

Place holder to copy figure label and caption
Figure 1.
Right External Ear

Right ear, demonstrating stenosis of the external auditory canal and fissuring of the preauricular crease.

Graphic Jump Location
Place holder to copy figure label and caption
Figure 2.
Left External Ear

Left ear, demonstrating erythema of the helix superiorly and scarring inferiorly along the preauricular crease and lobule.

Graphic Jump Location

Tables

References

Ploysangam  T, Heubi  JE, Eisen  D, Balistreri  WF, Lucky  AW.  Cutaneous Crohn’s disease in children. J Am Acad Dermatol. 1997;36(5, pt 1):697-704.
PubMed   |  Link to Article
Chuah  JH, Kim  DS, Allen  C, Hollis  L.  Metastatic Crohn’s disease of the ear. Int J Otolaryngol. 2009;2009:871567.
PubMed   |  Link to Article
Kwon  YH, Kim  YJ.  Pre-diagnostic clinical presentations and medical history prior to the diagnosis of inflammatory bowel disease in children. Pediatr Gastroenterol Hepatol Nutr. 2013;16(3):178-184.
PubMed   |  Link to Article
Crowson  AN, Nuovo  GJ, Mihm  MC  Jr, Magro  C.  Cutaneous manifestations of Crohn’s disease, its spectrum, and its pathogenesis: intracellular consensus bacterial 16S rRNA is associated with the gastrointestinal but not the cutaneous manifestations of Crohn’s disease. Hum Pathol. 2003;34(11):1185-1192.
PubMed   |  Link to Article
Thrash  B, Patel  M, Shah  KR, Boland  CR, Menter  A.  Cutaneous manifestations of gastrointestinal disease: part II. J Am Acad Dermatol. 2013;68(2):e1-e33.
PubMed   |  Link to Article
Chen  W, Blume-Peytavi  U, Goerdt  S, Orfanos  CE.  Metastatic Crohn’s disease of the face. J Am Acad Dermatol. 1996;35(6):986-988.
PubMed   |  Link to Article

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