Monocytic sarcoma is a neoplasm of immature monocytes involving any extramedullary site such as skin. The definite diagnosis is important for adequate therapy, which is often delayed becauseof misdiagnosis. We report a 51-Year-old diabetic woman who presented with several erythematous itchy papules and plaques on her s...

Idiopathic eruptive macular pigmentation is a rare condition characterized by asymptomatic pigmented macules involving the neck, trunk, and proximal portions of the extremities. On histopathologic examination, there was increased pigmentation of the basal layer in otherwise normal epidermis and scattered melanophages in the papillary dermis. We report a case of a 26-year-old woman with idiopath...

Cutaneous skin tags are common skin growths, usually harmless, which protrude from the skin and may have a short, narrow stalk. Typically, they are the same color as the skin or a little darkerand appear mostly in the axilla, groin, and cervical area. In this report, we present a 30-year-old female with pedunculated and <spa...

Generalized eruptive histiocytosis is a benign proliferative disorder of non-Langerhans cells. It is a very rare disease. The disease presents with soft to firm fleshy papules on face, neck and upper trunk. Biopsy is often needed to make the diagnosis because of its rarity and diverse presentation. There is tendency for the disease to regress spontaneously without treatment. Treatment, if any n...

IMPORTANCE Recognition of different clinical presentations of viral and virally triggered ("paraviral") exanthems is necessary for patients to be appropriately diagnosed and counseled. OBSERVATIONS Nine children presented with eruptions of hypopigmented macules following coryzal symptoms. Other diagnostic considerations, such as pityriasis alba, pityriasis versicolor, and progressive macular ...

The rarely seen eruptive syringoma (ES) is characterized by small, skin-colored, papules. Lesions are benign; however, treatment is often unsuccessful. Recent studies have a suggested role of the autoimmune response, rather than reactive proliferation of acrosyringium in the pathogenesis of ES. There are reports in the literature of an association between syringoma and diabetes mellitus as well...

Angioblastoma is a rare, benign vascular tumour composed of undifferentiated mesenchymal cells with a tendency to form lumina. This entity was first described by Nakagawa in 1949 as angioblastoma, and Wilson Jones was the first to use the term "tufted angioma" in 1976. Tufted angiomas usually occur in infancy and spread slowly. This report describes lesions from the right side of the forehead, ...

BACKGROUND Eruptive collagenoma is a rare disease. All of the previously reported cases were located on the skin. Here we report such a case occurring in esophagus and intestine. CASE PRESENTATION Our patient is a Chinese woman. Two years ago, hundreds of small nodules were identified in her esophagus and intestine. The lesions were characterized by thickened hyalinized collagen fibers and ha...

The etiology of tumor of the follicular infundibulum (TFI) is unknown. Eruptive forms of TFI are rare. We present the case of a 49-year-old woman with multiple lesions on the arms, shoulders, trunk, buttocks, and legs of more than 3 years' duration. On clinical and histologic examination, a diagnosis of multiple TFI was made. Additionally, the patient presented with other rare remarkable featur...