Primary cutaneous CD 30 (+) anaplastic large cell lymphoma (PCALCL) is a rare and indolent type of cutaneous T cell lymphoma, which usually presents as an asymptomatic solitary firm nodule that rapidly grows and often ulcerates without any systemic involvement. A 64-year-old female presented to our outpatient clinic with a one-year history of multiple pink nodular lesions on the chest, back and...

RATIONALE Ecthyma gangrenosum (EG) is an aggressive cutaneous disease caused by local or systemic infection with Pseudomonas aeruginosa. EG is characterized by cutaneous manifestations ranging from nodule and papule, to necrotic ulceration with surrounding erythema, especially with black eschar or central crust. EG presents with characteristic skin lesions which is important to establish diagno...

Lymphocytoma cutis refers to a group of skin disorders that are characterized by lymphoproliferation, primarily T and B cell populations. These lesions are also referred to as pseudolymphoma to distinguish these benign lesions from malignant cutaneous lymphomas. The differentiation between pseudolymphoma and lymphomas requires careful histopathological evaluation and may even necessitate immuno...

Cutaneous mastocytosis, which resembles a subset of urticaria pigmentosa in humans, is rare in dogs. We herein report unrepresentative neoplastic proliferation of mast cells in ventral skin removed routinely from a nine-month-old female laboratory beagle dog at necropsy. A histological examination revealed diffuse extensive cellular infiltration from the superficial to deep dermis in most parts...

which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. A 64-year-old woman having compression fractures in the fourth and fifth thoracic vertebral bodies was diagnosed with multiple myeloma. The results of the initial laboratory investigations were to the thoracic spine and induction chemotherapy, which consiste...

We report an exceedingly rare case of amelanotic anorectal melanoma misdiagnosed as hemorrhoids. A 74-year-old man presented with a week's history of "blood on toilet tissue" without bowel complaints or history of cutaneous melanoma. Skin evaluation was normal. Rectal exam was negative for blood, but revealed an anal nodule, interpreted as a hemorrhoid. Hemoglobin was normal; bleeding persisted...

All of the endemic mycoses have cutaneous and mucocutaneous manifestations that are most commonly seen when patients have disseminated infection. Biopsy of skin lesions is simple and safe and can assist in making a timely diagnosis of disseminated infection. Primary cutaneous inoculation infection has been reported with all of the endemic mycoses, but is rare. In this situation, a nodule or ulc...

Granuloma annulare(GA) is an inflammatory benign cutaneous disease of unknown etiology that may manifest different clinical features. The most common presentation or classic form of the disease is manifested as flesh colored, annular grouped papules, commonly involving the hands and feet. Various skin injuries and infections have been reported to trigger GA, including insect bites, warts,...