Publications by authors named "Leelavathi Dawson"

Hemophagocytic lymphohistiocytosis (HLH) is an unusual multifaceted clinicopathological entity that often remains misdiagnosed and can be fatal if not timely detected or treated. It can be familial or associated with different types of infections, autoimmune disorders, and malignancies. Parasitic infection-associated HLH has been rarely documented in the literature with only a handful of them being reported due to infection.

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Primary retroperitoneal teratomas are uncommon extragonadal nonseminomatous germ cell tumors that are composed of well differentiated parenchymal tissues which are derived from more than one of the three embryonic germ cell layers. Here we report an unusual and first of its kind, a case of primary mature cystic retroperitoneal teratoma mimicking as adrenal tumor in a 7-month-old female in which the tumor was predominantly composed of neurogenic tissue histologically which is unlike the usual pattern seen in the teratomas.

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Tumors of thymus gland are rare and account for 0.2% to 1.5% of all the neoplasms.

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Malignant transformation in a mature cystic teratoma (MCT) is rare occurring in 1.8% out of 8000 cases of MCT. The most common histological types are squamous cell carcinoma (SCC) followed by adenocarcinoma and melanoma.

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We present a rare case of a 30-year-old woman who presented with a swelling on the lateral aspect of her left forearm, present since 6 months, adjacent to a 16-year-old burn scar. X-ray of elbow joint and forearm revealed the subcutaneous nature of the swelling. Giemsa and periodic acid-Schiff-stained smears and potassium hydroxide mount of fine-needle aspirate of the swelling revealed dematiaceous, branching, and septate fungal hyphae.

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Polyarteritis nodosa (PAN) is a systemic necrotizing vasculitis that typically affects medium-sized muscular arteries, with occasional involvement of small muscular arteries. Unlike some other vasculitides (e.g.

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Tuberculosis of the extra-oral region is uncommon and is rarely primary. Extra-oral involvement of the cheek in the absence of tuberculosis elsewhere in the body is rare. To the best of our knowledge, we report here the first case of primary tuberculosis of the cheek in a 31-year-old male presenting as a nodular swelling of the cheek.

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Primary malignant fibrous histiocytoma (MFH) of the spleen is extremely rare. Since the first description of primary splenic MFH reported by Govoni et al in 1982, to the best of our knowledge, only twelve cases of MFH of the spleen have been reported in the literature. We herein report a rare case of primary splenic MFH in a 30-year-old Indian male who presented with abdominal pain with a history of recurrent hydatid cyst of liver and spleen.

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