Aggressive Digital Papillary Adenocarcinoma is a very aggressive skin cancer that I fortunately rarely encounter in both my The Woodlands dermatology and Conroe dermatology clinics.  The most common location to find an Aggressive Digital Papillary Adenocarcinoma is on the finger between the nail plate and the distal interphalangeal joint.  Clinically, these cancers resemble a flesh […]

Mucinous Carcinoma is a malignant lesion that arises from the integumentary glands which I rarely encounter in both my The Woodlands dermatology and Conroe dermatology offices.  The majority of Mucinous Carcinomas arise from the eyelid in the glands of Moll.  Clinically, Mucinous Carcinomas apepar as flesh colored or red papules which may be ulcerated.  Local […]

Microcystic Adnexal Carcinomas are malignant eccrine neoplasms that I rarely encounter in both my The Woodlands dermatology and Conroe dermatology offices.  Clinically, Microcystic Adnexal Carcinomas appear as a pearly or flesh colored papule or nodule on the face. The upper lip and nose are the most common areas to find Microcystic Adnexal Carcinomas.  Metastasis is […]

Syringofibroadenoma is a rare benign Eccrine Neoplasm that I occasionally encounter in both my The Woodlands dermatology and Conroe dermatology clinics.  Syringofibroadenomas clinically appear as scaly nodules or plaques and have a predilection for the extremities.  Multiple Syringofibroadenomas can be seen in certain genodermatoses such as hidrotic ectodermal dysplasia, Schopf syndrome, and Clouston syndrome.  In […]

Syringocystadenoma Papilliferum is a benign sweat gland neoplasm that usually arises in a Nevus Sebaceous on the scalp and I only occasionally encounter this skin lesion in both my The Woodlands dermatology and Conroe dermatology clinics.  Approximately, 50% of Syringocystadenoma Papilliferum lesions are present at birth and the rest arise later in life.  Syringocytadenoma Papilliferum […]

Papillary Eccrine Adenoma, also called a Tubular Apocrine Adenoma, is a benign sweat gland tumor that I occasionally encounter in both my The Woodlands dermatology and Conroe dermatology offices.  Papillary Eccrine Adenomas clinically appear as dermal skin colored nodules.  They are most commonly found on the extremities, especially the dorsum of the hands and feet.  These […]

Malignant Chondroid Syringoma is a maligant Eccrine Neoplasm that I rarely encounter in both my The Woodlands dermatology and Conroe dermatology clinics.  Unlike the benign version which occurs most often on the head and neck, Malignant Chondroid Syringomas are most often found on the trunk and extremities.  Malignant Chondroid Syringomas clinically appear as very large […]

Cylindromas are benign Eccrine Neoplasms that typically appear on the face and scalp and I occasionally encounter them in both my The Woodlands dermatology and Conroe dermatology offices.  Cylindromas usually occur as a single lesion and appear as a firm skin colored nodule.  They can be easily mistaken for Pilar Cysts.  There is a genetic […]

Malignant Eccrine Poromas are the most common form of sweat gland cancer and fortunately I only rarely encounter them in both my The Woodlands dermatology and Conroe dermatology offices.  Clinically, a Malignant Eccrine Poroma appears very similar to a benign Eccrine Poroma, however they are more likely to ulcerate or develop a black nodule.  Malignant […]

Eccrine Poromas are benign eccrine neoplasms that I occasionally encounter in my The Woodlands dermatology and Conroe dermatology offices.  Eccrine Poromas have histological variants called Hidroacanthoma Simplex and Dermal Duct Tumors.  Eccrine Poromas are most often found on the soles of the feet and appear as a red/brown nodule that may be encased in a […]

Spiradenomas are rare benign sweat gland tumors that usually occur on the chest, neck, face and scalp and I occasionally encounter them in both my The Woodlands dermatology and Conroe dermatology clinics.  Spiradenomas typically occur as solitary 1cm or larger nodules.  The skin covering Spiradenomas appears normal as the lesion is very deep in the […]

Syringomas are a common benign skin lesion that arises from sweat ducts and I occasionally encounter them in both my The Woodlands dermatology and Conroe dermatology offices.  Syringomas appear as yellowish small papules on the eyelids and upper face but can be found in other anatomic areas.  There is rare variant of eruptive syringomas in which […]

Hidrocystomas are very common eccrine neoplasms (sweat gland tumors) that I encounter frequently in both my The Woodlands dermatology and Conroe dermatology clinics.  Hidrocystomas are benign flesh colored papules that may have a bluish appearance.  Hidrocystomas are most often found in women.  They are most often found around the eyelids and can be clinically mistaken for […]