Rosai-Dorfman Disease with Cervical Lymphadenopathy

Rosai-Dorfman malady with cervical LymphadenopathyRosai-Dorfman Disease with Cervical Lymphadenopathy and orbital Involvement A Case Report*Sameer Saleem 1, Sundas Younas 2, Kamran Qayyum 31 MBBS (2013), Khyber Medical College Peshawar, Pakistan2 MBBS (2013), Khyber Medical College Peshawar, Pakistan3 MBBS (2014), Khyber Medical College Peshawar, PakistanABSTRACTRosai-Dorfman ailment (RDD), to a fault known as fistulous withers histiocytosis with tummyive lymphadenopathy (SHML), is a noble-minded histiocytic disorder which occurs due to the over-production of non Langerhans fistulous withers histiocytes. It is a nonmalignant disorder that most frequently affects children and young adults and typically presents with fever, night sweats, nonpainful cervical lymphadenopathy, leukocytosis and an elevated ESR. Extranodal involvement may also occur which includes skin and tardily tissues, nasal cavity, orbit, bones, central dying(p) system, salivary glands, kidneys, respiratory t ract and liver. The digestive tract, heart and breast rat also be affected but very r atomic number 18ly. The unsoundness has an vague aetiology, although some computer viruses like Human Herpes virus 6 and Epstein Barr virus have been implicated as causative agents. RDD puke often be misdiagnosed as lymphoma, leukemia or tuberculosis, so it is imperative to distinguish it from these conditions as strong as other causes of histiocytosis because of the different treatment modalities. Diagnosis of Rosai-Dorfman disease is base on biopsy of affected tissue. Biopsy showing the presence of emperipolesis, or the engulfment of lymphocytes and other tolerant cells by histiocytes that express S-100 antigen is diagnostic of Rosai-Dorfman disease. Once diagnosed, further workup including imaging studies atomic number 18 undertaken in order to determine the extent of the disease. In studyity of courtings, the disease resolves on its own however, treatments including cortico steroids , chemotherapy, surgical treatment or radiotherapy are carried out in severe or persistent disease or when organ function is at stake (e.g. breathing obstruction, kidney failure, visual problems). The case we explanation is that of a 16 class old girl who presented with a 6 month history of gradual onset dolorous of left field speed hat with mild proptosis of the left eye alongwith mild drooping of effective upper eyelid, low grade fever, night sweats and cervical lymphadenopathy. Blood workup showed increased ESR, CT scan of orbits showed superior orbital multitude and diagnostic biopsy revealed Rosai-Dorfman disease.Keywords Rosai Dorfman disease, cervical lymphadenopathy, emperipolesis, histiocytes, proptosisCASE REPORTA 16 year old girl presented to the outpatient department of Khyber Teaching Hospital, Peshawar, Pakistan in February 2015 with a sixsome month history of gradual onset, easy left upper eyelid drooping alongwith low-grade fever and night sweats plus a 20 da y history of gradual onset right upper eyelid drooping. She also noticed a few lumps in her cervical region. She had no significant past medical history of any major illness and no family history of tuberculosis or blood disorders was found. Her vitals were as follows, BP 120/80 mm Hg, pulse 90/min, respiratory rate 15/min and temperature 100.2 F. On examination she had bilateral painless cervical lymphadenopathy and bilateral superior orbital masses on palpation. Her survey was 6/6 in both eyes. Ptosis was seen in both right (3mm) and left (5mm) eyes. Mild left eye proptosis was also seen. Extraocular movements were restricted in upper gaze of both eyes, more so of the left eye. in that respect was no evidence of any visceromegaly and the rest of the general physical and systemic examinations were unremarkable.Lab investigations Hb 11.1 g/dl, RBC 4.27 million/cmm, Hct 32.4 %, MCV 76 fl, MCH 25.9 pg, MCHC 34.2 g/dl, Platelet count 328000/cmm, TLC 11000/cmm, normocytic normochrom ic picture with DLC showing 80% neutrophils, 15% lymphocytes and 5% monocytes on peripheral smear, ESR 70 mm/ beginning(a) hour, negative HbS and HCV screening, negative PPD and sputum AFB, approach pattern Liver function tests and normal Renal function tests. Chest X-ray was normal, U/S and CT scan of the abdomen and pelvis were normal. CT scans of the orbits showed bilateral superior orbital masses and mild proptosis of the left eye.Incisional biopsy of the left Superior orbital mass was performed that revealed the diagnosing of Rosai-Dorfman disease.CT scan orbit (Coronal View) Bilateral Superior Orbital MassesCT scan Orbit (Axial View) Mild Proptosis of the Left marrowTreatment The patient was counseled about the nature of the disease and administered Inj. Methylprednisolone 1gm x OD for 3 days followed by Tab Prednisolone 1mg/Kg physical structure weight x OD and advised followup aft(prenominal) 4 weeks. On followup visit, examination showed that her ptosis and cervical lym phadenopathy had improved. She was also assessed for side cause of steroid therapy. No side effects were noted. She was advised followup after 8 weeks.DISCUSSIONRosai-Dorfman disease (RDD), also known as sinus histiocytosis with massive lymphadenopathy (SHML), is a rare histiocytic disorder which occurs due to the over-production of non Langerhans sinus histiocytes. 1, 2 It was offshoot described as a unique clinicopathologic entity by Rosai and Dorfman in 1969. 3 Although lymph nodes are more commonly involved, any organ may be affected. 1 firebird features include painless cervical lympahadenopathy, fever and elevated ESR. 4Extranodal involvement has been report in diverse anatomic sites, particularly the skin, orbit, and upper respiratory tract. 5, 6 central nervous system involvement without nodal disease has also been reported. 7 Rosai-Dorfman disease though quite rare, is distributed worldwide with 80% cases occurring in children and young adults with a comminuted male pr edominance (58%) and has a general predilection for individuals with African descent. 8 The etiology of RDD is unknown, however certain viruses like Human Herpes virus 6 and Epstein-Bar virus via causing immune dysregulation have been implicated in the pathogenesis of this disease. 9, 10, 11 The diagnosis of Rosai-Dorfman disease is not easy since its presentation can mimic a number of other non-malignant as well as malignant conditions ranging from bacterial or viral infections to malignancies including leukemia and lymphoma. Biopsy of the lymph node or affected tissue is unavoidable for the diagnosis of this disease. Proliferating S100 and CD68 antigens positive histiocytes exhibiting emperipolesis i.e. phagocytosis of intact lymphocytes and other immune cells, is the classical histologic finding on biopsy in Rosai Dorfman disease.No specific treatment protocol is established for Rosai Dorfman disease because the disease is rare and its course is mostly self-importance limiting . 14 However, patients with severe, persistent disease or in cases where organ function is compromised steroid therapy, chemotherapy, surgical resection or radiotherapy can be instituted with varying victor rates. 12, 14, 15CONCLUSIONRosai-Dorfman disease shares many of its presenting features with leukemia, lymphoma, tuberculous lymphadenitis and other causes of histiocytosis, so it should be considered in the first derivatives of patients, especially children and young adults who present with painless cervical lymphadenopathy. It is also important for physicians to recognize that the disease can have a myriad of clinical manifestations depending upon the tissue involved, as was the case in our patient we presented in this case report having cervical lymphadenopathy with orbital involvment in whom lymphoma, leukemic deposits, orbital pseudotumor, Langerhans cell histiocytosis and hemangioma were also amongst the list of differentials until biopsy confirmed the diagnosis of RDD. It is inseparable for pathologists as well to look for the histopathologic features of this disease in biopsy specimens, since if promptly diagnosed and managed, can reduce unnecessary diagnostic workups and mismanagement due to misdiagnosis of this disease.CONSENTscripted informed consent was taken from the patient and her parents for the publication of this case report and any accompanying images.ABBREVIATIONSAFB Acid Fast BacilliBP Blood PressureCT Computed TomographyDLC Differential Leukocyte CountESR Erythrocyte Sedimentation stationHb HemoglobinHbS Hepatitis B surface antigenHCV Hepatitis C virusHct haematocritMCH average Corpuscular HemoglobinMCH CMean Corpuscular Hemoglobin concentrationMCV Mean Corpuscular HemoglobinPPD Purified Protein DerivativeRBC Red Blood cellsRDD Rosai-Dorfman DiseaseSHML Sinus Histiocytosis with Massive LymhpadenopathyTLC Total Leukocyte CountReferencesRiyaz N, Khader A, Sarita S. 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